Autogun

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Note the heretical sorcery shrinking its capacity to below an Astartes bolter

An Autogun is a chemically-powered projectile throwing weapon (a slug thrower, durr), that can be compared to late 20th to early 21st century fire arms. Autoguns are (probably) slightly more powerful, which is why it avoids the title of Stubber (which have basically no improvements on World War II firearms) which are even worse than Lasguns (there is not a single part of a suit of flak armor that a rifle-sized Stubber can pierce at any range according to some sources, even though WWII Rifles were pretty powerful). Alternatively, since Stub Pistols are more powerful than Autopistols, it's possible the difference has more to do with calibre and/or tech level. Simply put, these weapons use a propellant to accelerate a metal projectile to punch holes in things.

If the Lasgun is called a 'Flashlight' then the Autogun is called a 'Stapler'.


Autoguns versus Lasguns[edit]

It is a significantly older weapon than the Lasgun, and does not see quite as much use due to the Departmento Munitorium saying it's a bad idea. So if a young and often curious Guardsmen tries and ask his superiors, mostly a Commissar (yes, reasonable Commissars do exist) on why a Lasgun is preferred over an Autogun by Imperial Standards, they will tell you a whole list of things such as the following... Lasgun Power Packs weigh significantly less than Autogun magazines and are far more sustainable (rechargeable via heat, light, or wall outlet); Lasguns are also significantly more accurate and require notably less maintenance than Autoguns; and Lasguns have no recoil, meaning even the 8-year-old baby-faced kids and 98-year-old dusty seniors that get conscripted into the Imperial Guard can fire it straight. The big reason that Autoguns were phased out was a matter of practicality, but there is one thing the Autogun has that the humble Lasgun doesn't: the amount of different types of ammunition you can carry. From Incendiary to Armor-Piercing rounds and even High-Explosive rounds that makes the Autogun a miniature Bolter. This means that while the Lasguns are far and away the common infantry gun, the vast selection of different ammunition makes the Autogun a kind of highly-flexibletactical weapon. Though /tg/ rather enjoys musing that the *real* reason Autoguns were phased out was the cost (all that grimdark spent ammunition came from somewhere, after all). In spite of the ammunition problem, the Autogun still sees use throughout the Imperium (particularly among PDF forces, as they do not have the overwhelmingly-massive logistical issues the Imperial Guard does), and its removal from large parts of official service hasn't stopped its development.


Autoguns versus Stubbers[edit]

There is significant debate over the actual power of Auto and Stub weapons, with the "higher power" team citing higher tech level and advanced materials, and "modern power" team citing no mention of any kind of recoil compensation (limiting power) and less innovative designs. Modernist evidence implies some or even most autoguns may actually be less advanced than modern firearms. After all, 21st century modern cannon rounds are definitely more advanced than the average autogun, and autoguns are meant to be built on all sorts of backwater worlds. Regardless, it is well-and-truly possible that both sides are right, since strictly speaking an Imperial Autogun is generally any type of automatic rifle, firing solid slugs accelerated by combustion of a chemical charge. As such, there are great many models and patterns in existence, different in both internal mechanics of their action and the ammunition they use. Wile some Autoguns *are* just a backwater-colony's locally-designed crude weapons, using black-powder-filled cartridges and prone to jamming, *other* Autoguns may be high-tech products of AdMech factories, firing hypervelocity Discarding-Sabot needle-bullets, capable of easily punching through carapace armour.

There is also a third possibility, which involves the Dark Age of Technology. It's conceivable that "Stubber" is a derogatory term for old gunpowder weaponry made before the Dark Age, and "Autogun" was a Dark Age classification created to delineate the super-futuristic projectile weapons of the then-modern era from Stub Guns. The difference was only significant during the Dark Age of Technology, when "Autogun" meant something more akin to a Smart Assault Rifle and a Stub Gun meant an M1 Garand. Now, in the grim darkness of the 4*2nd* Millennium, with technological regression and pointlessly pedantic bureaucracy, the distinction between the two gun classifications may have just become statistically insignificant.

For further comparison between Stubbers and Autoguns, click here.

Imperium Variants[edit]

Autopistol[edit]

Autopistol

Most often a machine pistol or submachine gun, the Autopistol is a single-handed submachine gun (called the Uzi Autopistol) which is frequently used by Chaos heretics (and on occasion, traitor guardsmen) and cultists who don't particularly care about accuracy or expenses and wish to be able to make noise and cause death at a close distance (the former is done better by an Autogun than a Lasgun) as they close in to use their swords. Quite fittingly, many of the autopistols manufactured by the Imperium are based off the MAC-10/MAC-11 weapon series.

Autopistols are still in massive use throughout the Imperium and can be found even on low-tech worlds. Like the larger Autogun it is a very easy to construct and usually available in large numbers. The autopistol is a common weapon amongst renegades, gang members, and lowly criminals, being as easy to use as it is to construct. They are not generally considered a military issue weapon, but are a favorite amongst many military veterans as a supplement for their standard lasgun or as a backup weapon, especially by the ones using unreliable melta- or plasma-weaponry. Some regiments, including the Cadian 8th, often equip all their troops with autopistols as sidearms, improving their combat firepower. Other commanders allow their troops to acquire spoils from the battlefield for their own use and autopistols are popular choices.

Autopistol
Range S AP Type
12 3 - Pistol


Autogun[edit]

Autogun

There are dozens of other Autogun models that have been created since, including more-advanced versions that use caseless ammunition. One common variety is an assault-rifle sized version formerly used by Imperial Guard regiments, known as the Agipinaa Type-II pattern Autogun (the one specifically noted to achieve stopping power on par with modern Imperial Guard-issue lasguns). While rather heavy at 6,2 kg (with loaded magazine), this gun fires powerful (but having somewhat heavy recoil) 8,25mm rounds, accelerated to muzzle velocitiy of 825 meters per second while traveling through the autogun's 540mm (21,25 inches) long barrel.
Autoguns are commonly employed by pirates, rebel groups, Chaos cultists, Kriegers, Planetary Defense Forces, Hive Gangers, Adeptus Arbites and low-tech civilisations that are too underdeveloped to create even a simple Lasgun, which puts into perspective just how poor these people are. (Hey, that includes us...) On the Tabletop, they're basically Rule 63 versions of lasguns, with the same exact specs.

In Warhammer 40,000: Fire Warrior, the Stormtroopers used by the Guard detachment on-planet uses Autoguns that have been given special armor-piercing rounds (also known as "Man Stopper" rounds, featuring a penetrator-tip of hardened adamantium alloy embedded in each bullet) to improve their damage output, essentially putting them on-par with Hellguns. Paired with the weapon's fast fire rate, they're probably the earliest weapon you can reliably take down a Space Marine or Chaos Space Marine with, though clearly better options are available.

Autogun
Range S AP Type
24 3 - Rapid Fire


Autocannon[edit]

Autocannon

The Autocannon is the big-cheese of the Autogun family (and possibly related to the 88mm Flak gun Bofors 40-57mm 20mm Hispano-Suiza GW couldn't tell which is which anyway), firing massive projectiles quickly enough that it can infatuate and butcher a group of Orks at the same time. Most commonly mounted on vehicles, but also seeing use in Imperial Guard heavy weapons teams, it possesses a frightening rate of fire and good armour penetration. Much like a heavy stubber, the autocannon proves that even older tech can work when scaled up in size. Before a certain temper tantrum and its aftermath, it used what were approximately up-scaled Heavy Bolter shells to literally kill anything. Basically, these autocannon shells were to 40k's autocannon shells what Baneblade cannons are to battle cannons. Yeah. By the way most modern cannons actually use advanced shells like this, suck it imperium.

The standard Autocannon makes a satisfying POM-POM-POM sound as it chews up targets up to four feet away. It hits at S7AP-1 and is a Heavy 2 weapon that deals D2, making it statistically better than the Heavy Bolter against everything except Toughness 4 and less models. The long-barreled Hydra variation is used on the Hydra Flak Tank, and is designed to serve as anti-air support but used to chew up any cocky infantry that gets too close. Nowadays it gives warning shots that may clip an enemy if that enemy is standing right in front of it and jumps up and down screaming "SHOOT ME" (and even then might miss). Fortunately, it has an additional two feet of range, so while it only has one job, it tends to do it pretty well.

Autocannon
Range S AP Type
48 7 4 Heavy 2


Assault Cannon[edit]

Assault Cannon

The Assault Cannon is an autogun with an outrageous rate of fire, meaning it has to have rotating barrels to stop them from melting. Although it falls far short of it's terrifying fluffy firepower on tabletop, firing just four shots (or perhaps "enough ammunition to cause four chances to wound per turn of firing") compared to the 10 and 20 shots of rotary cannons available to the Imperial Guard, the Assault Cannon also fires unique, diamond-hard rounds at significantly increased velocity, resulting in far greater stopping power and armour penetration. Early prototype versions were exclusive to the Imperial Fists and Blood Angels Space Marine Legions, but did have a rare tendency to jam and become useless without some involved repair work. Upgraded jam-free versions were implemented post-Heresy, meaning that Chaos doesn't get these meat-grinders (although Obliterators do).

Assault Cannons are primarily used by Space Marines as anti-infantry weaponry on Terminators, Dreadnoughts, and various other vehicles and aircraft. The assault cannon might actually be a stub-weapon, as some art shows it ejecting spent casings. Only War and several other sources show that there is a difference. Auto-weapons are (usually) caseless and can be anything from merely caseless, chemically-propelled rounds, to railrifles and gravitic-accelerated projectiles. This is also why Macrocannons are auto-weapons, as their shells are magnetically propelled. Of course, knowing the Mechanicus, there are probably examples of both auto-weapons and stub-weapons for all solid-projectile weapons of the Imperium.

If it was a laser weapon, it would be to Multilasers something like what a Hellgun is to a Lasgun. Being Rotary Cannons, Assault Cannons should in theory be able to spin at different speeds to deliver higher or lower firing rates depending on whether the target is a squishy 'umie or even a vehicle, but this isn't possible in the game. It's possible that the Mechanicus, being the hidebound institution it is, hardwired a one-size-fits-all maximum firing rate in all models of Assault Cannon to make maintenance easier and to keep these weapons from wearing out and overheating too fast, with the ideal firing rate being what a Terminator-armoured Astartes could effectively aim, control, and still be able to carry enough ammunition for in one battle (since faster firing rates also deplete ammunition more quickly). This hypothesis is made more plausible given how the Blood Angels had to resort to mounting twin-linked Assault Cannons in the turrets of their Baal Predator Tanks to get more of this weapon's firepower in one mount, instead of just spinning one Assault Cannon's barrels faster to achieve the same result as in real life.

Assault Cannon
Range S AP Type
24 6 4 Heavy 4, Rending


Rotor Cannon[edit]

Rotor Cannon

It should probably have been named Rotor Gun instead, to avoid insulting the true cannons. The ancestor (read: feeble grandparent) of the Assault Cannon, firing smaller-caliber, less-capable ammunition and to date only seen in 30k. Unfortunately it is much weaker than its more recognizable descendant, with only half the stopping power (in fact it is on par with the standard Autogun and outclassed by the Heavy Stubber of all guns) and much less armour-piercing ability, despite having the same shot output most of the time. About the only advantage it has over the Assault Cannon is the fact that it is man-portable by both Power-Armoured Astartes and unaugmented humans and can be fired on the move by both, whereas the Assault Cannon requires the user to wear Terminator armour, or for the Assault Cannon to be mounted on a vehicle. Based on the stats, it presumably fires similar rounds to an autogun (which is analogous to a modern battle rifle) but at a much higher cyclic rate, so it probably has some similarity to the real-life M134 minigun, which in technical terms would similarly classify the Rotor Cannon as a Rotary Machine Gun.

Even with the Rotor Cannon's poor stats and lack of special abilities, a few forces such as the Imperial Knights and the Thousand Sons Space Marine Legion have improved the Rotor Cannon's utility by loading it with more useful ammo, such as Biocorrosive ammunition for the Knights and the Thousand Son's own Asphyx shells that both allow for this humble weapon to be able to successfully wound its targets much more often. However, the Rotor Cannon's limitations against tougher opposition eventually led it to be phased out millenia before the 40k era, as Imperial Guard infantry forces eventually got access to crew-served versions of Astartes-grade Autocannons, Heavy Bolters, and Missile Launchers for their heavy weaponry, against which the Rotor Cannon could not compete even with its ability to be fired on the move by unaugmented humans.

Rotor Cannon
Range S AP Type
30 3 6 Salvo 3/4


Punisher Gatling Cannon[edit]

Punisher Gatling Cannon

The Punisher Gatling Cannon is the primary armament of the Leman Russ Punisher tank and one of the Vulture Gunship's variants, and is a recent addition to the Imperial Guard armory. Design-wise, the weapon looks like someone was impressed with the Assault Cannon's firepower, but became increasingly frustrated with the inability of Imperial Guard forces to procure it and its unique ammunition, and so decided to resurrect the concept of the the long-discontinued Rotor Cannon (see above) and improved on it in most respects. The Punisher Gatling Cannon thus ends up as an intermediate step between the older Rotor Cannon and the much-vaunted Assault Cannon, possessing stopping power almost at the level of the latter weapon while not improving on the former's lackluster armour-penetration ability (likely a conscious design choice to keep manufacturing and ammunition costs down, below even what Heavy Bolter shells might require since Heavy Bolter shells have better armour-piercing ability compared to the Punisher's own ammunition).

Where the Punisher truly shines lies in the fact that it is vehicle-mounted only; since it's not bound by the need to limit its firing rate to allow a single Terminator-armoured Astartes to both effectively control and still carry sufficient ammunition for, the Punisher can instead achieve quintuple the firing rate of an Assault Cannon. This is a literal torrent of anti-infantry firepower, and puts the Punisher squarely among the fastest-firing weapons in the Imperial arsenal, outstripping even the Vulcan Mega-Bolter which is restricted to being mounted on superheavy tanks or Titan-scale walkers. In fact, the Punisher doesn't so much as go DAKKADAKKADAKKA, it instead goes BRRRRRRRRRRRRRRRT. Able to churn out more shots than a squad of Tactical Marines at even greater strength, this baby will swiftly ventilate any block of infantry it comes across and can even threaten Monstrous Creatures by sheer weight of fire even with its unsophisticated non-armour-piercing ammunition. The Punisher Gatling Cannon also has a kid brother in the form of the Taurox Gatling Cannon, which has less strength and half the shots.

Punisher Gatling Cannon
Range S AP Type
24 5 - Heavy 20


Onslaught Gatling Cannon[edit]

Onslaught Gatling Cannon

The latest weapon for the Adeptus Astartes, and currently restricted to use as a secondary weapon on the Repulsor Hover Tank and Redemptor Dreadnought. As such, it is another weapon exclusive to the Primaris Marines. Why in the Emperor's mummified nipples a gun such as this cannot be wielded by the more common Space Marines just begs the question. Why?

This weapon was found thanks to the reintroduction of Robot Gullytan the Third and Uncle Cawl. It has the strength and armour penetration of a heavy bolter at two thirds the range and twice the rate of fire.

On the Redemptor Dreadnought, due to its size, the Onslaught is wielded much like an oversized Powerfist lugging a hand-held autocannon. The sheer size of the Dreadnought's fist in contrast to the comically small Gatling Cannon is bound to spawn a few compensation jokes. Suffices to say, this eventually led to the creation of the Heavy Onslaught Gatling Cannon as shown below.

On the Repulsor, it is notorious for being one of the primary weapon choices on a vehicle infamous for its weapon placements and the amount of guns it carries along on the battlefield.

Heavy Onslaught Gatling Cannon[edit]

Heavy Onslaught Gatling Cannon

Maximum dakka for the Astartes, the Heavy Onslaught is the primary weapon of the Repulsor Hover Tank and Redemptor Dreadnought. Basically the Dreadnought's equivalent of a penis extension or a metaphor for the foreboding erection the Dreadnought pilot is about to feel before being let loose.

Like its smaller brother, the Heavy Onslaught Gatling Cannon is a weapon exclusive to the Chadmarines and like its smaller brother, it came to fruition thanks to the management of Grandpa Smurf and Uncle Cawl.

It has the same strength and armour penetration as its smaller brother, but a 30" range and an incredible 12 shots. Interestingly inferior to the Punisher gatling cannon against everything that doesn't have heavy (2+) armour.

Icarus Stormcannon Array[edit]

Icarus Stormcannon Array

The Icarus Stormcannon Array is a Space Marine anti-aircraft platform mounted on Stalker vehicles. Made up of two independently traversing turrets of triple-barreled cannons and a large radar dish, the Icarus Stormcannon Array can track and fire at two separate aerial targets simultaneously.

The Stalker mounts an array of two Icarus Stormcannons granted a capacity for independent targeting by the servo-mind conclave (Cogitator array) to which they are shackled. The cannons have a high rate of fire and can launch hundreds of solid rounds into the sky.

Each servo-mind can direct the Stormcannons to track separate targets with a lesser degree of accuracy, or when faced by more potent foes the array can concentrate fire in a single, withering salvo that will tear even the mightiest winged beast or enemy aircraft from the skies.

Battle Cannon[edit]

Battle Cannon

The big cheese of the Autogun family without going full on Titan. The Battle cannon is a larger and heavier version of the autocannon, its size restricting its use to vehicles only. It is the primary weapon of the Leman Russ Battle Tank, where its explosive shells can decimate both infantry and other armor. It is also common armament on Imperial Knights, though for these mighty machines are used special Rapid Fire Battle Cannons with improved rate of fire. Due to it being of Autogun in function, it has a wide variation of different ammunition that it can use. such as:

High Explosive: The standard round fired by Leman Russ battle cannons, HE shells like the Leman Russ Mk4 G4 round contain a highly explosive material such as Fyceline which detonates upon impact with the target. Since a high velocity is not necessary for the shell to work, a small amount of propellant allows for a larger amount of explosive material than in other shells. The explosion causes a blastwave lethal to anyone close by and shatters the thin shell casing into deadly high-speed shrapnel, making them deadly when used against infantry and light vehicles. While the sheer size of the blast can cause minor damage to armored vehicles, even stun or kill the crew within, HE shells lack the penetrative power of true anti-tank shells.

Anti-Tank/Armour Piercing: Anti-tank or armor piercing shells like the standard Leman Russ Mk12 G4 round are used to destroy hardened targets such as enemy tanks or bunkers. They consist of a solid round topped with an adamantium tip covered by a soft metal cap. A large propellant charge launches the round at high velocities, where upon impact the metal cap melts and creates a "sticking" effect so that the adamantium tip does not slide off of sloped armor or break. Most AP shells cause damage through kinetic energy, the sheer violence of a penetrating hit causing spalling within the enemy tank's interior to damage internal systems and kill crew. Others include a small high explosive charge which detonates upon impact, causing additional secondary damage.

Infernus: Inferno shells like the standard Leman Russ Mk7 G4 round, also known as incendiary, phosphorine or thermite shells, work in similar principle to HE shells. However instead of an explosive charge these shells are filled with a combustible substance which instantly is scattered upon impact. The substance burns instantly and is particularly deadly when used against infantry.

Smoke: Smoke shells are used to create an instant smoke screen, hiding the tank or other friendly forces from enemy observations.

Hunter: Hunter shells are very rare tank rounds which can be fired by a battle cannon or Conqueror cannon. They contain a small logic-engine similar to the one found on Hunter-Killer Missiles which locks onto a target and directs the path of the shell towards it. Just before impact the shell's Machine Spirit causes it to rise above and hit the enemy vehicle on it's thinner top armor. Only ever produced on the Forge World Tigrus, the knowledge to construct Hunter shells was lost when the world was overrun by the Orks. Most tank crews will therefore never even see a Hunter shell, much less have the honor of firing one.

Accelerator Autocannon[edit]

Accelerator Autocannon

Back when the Emperor still walked, the Imperium was capable of developing new and improved weapons, and the Accelerator Autocannon was one of those. Basically a cross between the Autocannon and a Rail Gun, the Accelerator Autocannon coupled a high rate of fire with a powerful shell and high accuracy. It shares it name with the Accelerator Cannon used on the Fellblade and Astraeus Super-Heavy Tank. Which would imply that this is a downsized version.

Currently the Accelerator Autocannon is exclusively mounted on the main variant of the Sicaran Battle Tank. Each Sicaran has two of them. Why they don't bother mounting them on the more advanced Dreadnaughts is because they don't know how, lazyness, or they have so much recoil it's impracticable.

Quake Cannon[edit]

Quake Cannon

The Quake Cannon is a gigantic artillery piece mounted on Imperial Titans and Super-Heavy Tanks. The Quake Cannon is used to engage targets at extreme range. Each Quake Cannon shot contains a fragment of a planet that has been subjected to Exterminatus, which is to say the energy of the Exterminatus is harnessed and then weaponized....which is....unnecessarily complex to say the least....anyways, the weapon draws the contained earth-shattering power out and containing the blastwave within a Quake Shell.

On Titans, the Quake Cannon is commonly found on Warlord Battle Titans. The Imperator class titan can also carry one or more Quake Cannon on its carapace hard-points.

On Superheavies, the Imperial Guard Banesword Super-Heavy tank is also equipped with a Quake Cannon.

Quake Cannon
Range S AP Type
180 9 3 Ordnance, 10" Blast


Gatling Blaster[edit]

The child of a Avenger and a battle cannon

Strapped to the mighty Reaver Battle Titan and above, this is the weapon you field when you need the biggest dakka the Imperium of Man has to offer, it's basically an Assault Cannon, except that it fires Battle Cannon shells rather than bullets, yeah... this is what you get if you thought about the Schwerer Gustav using Gatling Technology. Now if only they had some kind of Macro Gatling, ridiculous as that would be.

By function, each of the Gatling Blaster's six barrels fires once in turn during each revolution of the barrel cluster. The multiple barrels provide both a very high rate of fire and contribute to long weapon life by minimizing barrel erosion and heat generation. The Gatling Blaster is pneumatically-driven and electrically-primed. The gun rotor, barrel assembly and ammunition feed system are rotated by a hydraulic drive motor through a system of flexible drive shafts. The round is fired by an electric priming system where an electrical current from a firing lead passes through the firing pin to the primer as each round is rotated into the firing position. One of the drawbacks of the initial design was that the ejection of spent links created considerable (and ultimately insufferable) problems. The Adeptus Mechanicus compensated for this issue by creating a linkless feed system.

This is actually a pretty reasonable and practical solution; a rarity in the AdMech. As what kind of sane Guardsmen would like to die from giant empty bullet casings?

Galting Blasters can be mounted on the weapon limbs of Reaver and Warlord Battle Titans and the carapace mounts on Imperator Titans. It is too large to be fitted to Warhound Scout Titans however.

Macro Cannon[edit]

A voidcraft Macrocannon, why the Mechanicus decided it was a good idea to use slaves to manually reload a EXBOXHUGE Cannon, despite already having auto-loaders is beyond our moral understandings.

The Biggest of the Big. 'Macrocannon' seems to be a catch-all for any auto-type weapon larger than a Gatling-Blaster, ranging from fortress-mounted field artillery to the literally apocalyptic, cathedral-sized weapons found on voidcraft. As is clearly evident, it causes a quantity of Rape proportional to its size, but even the smallest land-based Macrocannons are capable of laying waste to mostly everything, including flyers. It is at its basest an autocannon that fires bullets ranging in size from that of a man all the way up to the size of a Baneblade, depending on the weapon's calibre (no, seriously), and since this is the Imperium, instead of an automatic reloader, they need dozens of slaves to move each bullet for the ship-mounted Macrocannons (heretical theories suggest this is either because it is actually cheaper for the Imperium, which is overloaded with humans and not resources, or because they are stockpiling resources, or they are cutting down on chances of daemonic incursions through humans by putting more of them in the killzone, or they are testing to see just how far people will comply with slave labor in a totalitarian state, or - most heretical of all - some suggest it is a bureaucratic screw-up with paperwork or that the AdMech doesn't know how to repair the loading cranes).

Provided yields for these weapons can go from 42 exajoules (about 5.297 times more powerful than the most powerful earthquake ever recorded; a 42 exajoule earthquake would be approximately magnitude 9.98) right down to the measly 50 tetrajoules...*sigh* Games Workshop never fails to surprise us. Seriously believe us, we know that tetrajoules isn't an official unit of measurement, but since tetra is Latin for four this essentially gives us....4 joules of power....which is weaker then a human punch or a flashlight.... Don't believe us? We got that from Rogue Trader rpg: BattleFleet Koronus pg. 31 & 20 which is quote on quote:

"Look at her, son. Isn’t she a beauty? Over two hundred Vulcan mega-bolter defence turrets, fifteen tetrajoule Sunsear las-broadsides, prow plating ten metres thick, the finest auspex masts in the battlefleet… And the lines on her! Fluted prow, elegant statuary… those xenos scum won’t know what hit them!” – Bosun Phineas Jhule tempts fate at the embarkation of the Fire of Heaven
"The Avenger dates from an earlier period of fleet tactics, when, squadrons of grand cruisers were employed as “line-breakers.” Traditionally, they were thrown into the midst of massive fleet engagements, soaking up enemy fire while racing into the middle of enemy formations, then crushing their opponents at short range with tetrajoules of energy from their oversized broadsides."

Yeah...we in /tg/ aren't sure whether this was intentional or a gross example of a severe typo. So...um....FEAR THE 60 JOULE BROADSIDE BATTERIES!. A possible explanation for this stupidity GWs forgot that the term "quadrillion" is a thing and is using "tetrajoule" to mean 1 000 000 000 000 000 joules (as the word "billion" comes from the latin word for two, "trillion" for the latin word for three and so on.). This gives a result of 4 quadrillion joules in a broadside, which is 4 trillion times as powerful as the world's largest laser and 4 times the amount of energy released by the largest man-made explosion ever. Much better.

Jokes aside, if we use the picture to the right as a reference for size, and estimate the shell as a solid slug of density equivalent to lead, launched at a planet from geosynchronous orbit above an Earth-like planet (36,000km), you're looking at somewhere in the region of 50 Tera-Joules of energy when it strikes the ground, or slightly less than the Little Boy dropped on Hiroshima (and that's just from gravity, not including launch energy). About fifty or so of the land-based Macrocannons would equate to one ship-mounted Macrocannon, or one point of firepower in Battlefleet Gothic. Oh yes.

Chaos Variants[edit]

Reaper Autocannon[edit]

Reaper Autocannon

There is the regular Autocannon and then there is the Reaper variant, which only the Chaos Space Marines get because Assault Cannons were discovered after the Horus Heresy, and everybody Imperial promptly thought they were cooler than the Reaper Autocannon. The reaper is an infantry-portable twin-linked Autocannon that wants to put its shells in your face at 36" or less. The reaper is effective against light vehicles and monsters, but the Imperials switched to the other gun for its boons against infantry. The current Imperial gun is mostly popular due to it's reliability and durability, capable of operation for years without much care even if someone used it as a club. By comparison, the reaper assault cannon needs it's barrels to be replaced after each battle or else it loses reliability or even explodes (maybe the admech were drunk that day).

Then at some point, the Traitor Legions and their Dark Mechanicus pals looked at the Reaper Autocannon and asked, "How can we make this even more rapey?" So they came up with the Helstorm Autocannon, which apparently can only be fitted to vehicles and aircraft such as the Hellblade due to its sheer rate of fire. It has the same profile as the Reaper except for firing an extra shot per attack and adding delicious Rending because fuck assault cannons. Now if only GW would let the forces of Chaos get their collective shit together and replace every vehicle mounted heavy bolter with S7 AP4 Heavy 3, Twin-linked, Rending.

Soulreaper Cannon[edit]

Soulreaper Cannon

You remember how we said earlier that the Thousand Sons AKA The Prodigal Bookworms found a way to make the god awful Rotor Cannon somewhat viable? Yeah, here is the end of result of it all.

The Soulreaper Cannon is a type of gatling Inferno Weapon used by the Thousand Sons. This heavy weapons bares a strong resemblance to the Space Marine Assault Cannon, but since it is basically a modified Rotor Cannon, the Sons of Magnus can basically lug around this gun with their normal Rubric Marines. This actually increases the effectiveness of these walking tin bins as it boosts their firepower to a ungodly amount. Awesome.

As the Soulreaper is an Inferno weapon, it uses literal magic to further boost and enhance the weapon's lethality. Who says that mixing science and sorcery is an absurd idea eh? Suck it Crons!

Hades Autocannon[edit]

Hades Autocannon

The bigger version of the Reaper Autocannon.

Also because Chaos likes to add daemons to things, and daemons make things goofy, Chaos Space Marines have access to another vehicle-mounted variant, the Hades Autocannon, which bafflingly can only be mounted onto a dinobot (probably because it's propelled by warp-flame or something). Fielded onto a Heldrake for air support or in pairs on a Forgefiend for heavy support, the Hades Autocannon (R36", S8, AP4, Heavy 4, pinning) suffers the Reaper's slightly gimped range compared to the vanilla autocannon, but is slightly stronger and can pin units (but don't count on pinning too much); while it's not twin-linked like the reaper, having double the firepower more than compensates.

A Forgefiend can mulch most infantry short of Terminators, pounding through power armour on sheer weight and power of fire, can make most Monstrous Creatures' lives flash before their eyes, and can hurt even a Land Raider or Monolith if the dice gods are in your favor. It's almost really/absolutely a real shame that the average Forgefiend isn't known for being a phenomenal shot.

Scorpion Cannon[edit]

Scorpion Cannon

The Scorpion Cannon, also known as the Sting Cannon, is a large, multi-barrelled weapon that is wielded by Brass Scorpion and it is what happens when you have a Hades Autocannon mounted on a giant scorpion.

The weapon is mounted upon the Brass Scorpion's tail, giving the weapon a full 360 degree arc of fire, making it perfectly suited to unleash rapidly fired torrents of ballistic projectiles upon enemy infantry at close range. The cannon fires heavy caliber shells that are effective against most lightly armored infantry and vehicles.

The Scorpion Cannon features a set of blades allowing it to be used as a backup melee weapon against enemy aggressors. The weapon receives its ammunition from thick, semi-organic cabling that travels up the rear side of the creature's tail. It is basically Mortal Kombat's scorpion given more of a Khornate feel. Hence it receives the seal of Awesome.

Harvester Cannon[edit]

Harvester Cannon

Take an Obliterator's hand cannons and than multiply this by a hundred. You get the Harvester Cannon.

A Harvester Cannon is a large, multi-barrelled, rapid-firing weapon that is wielded by Soul Grinder Daemon Engines. The Soul Grinder is usually armed with a single Harvester Cannon on one arm, used in conjunction with an Iron Claw close combat weapon located on its other arm.

The weapon is attached to the daemon's wrist, on its right arm and can be used with an organic pincer version of the Iron Claw that it wields on its other arm or with a daemonic Warpsword. The Harvester Cannon is capable of firing large caliber solid shells that are effective against infantry and light vehicles and can also fire specialized flak shells to engage enemy aircraft. This thing is a very versatile form of Dakka and it can mow down both infantry, aircraft and vehicles alike.

Butcher Cannon[edit]

Butcher Cannon

A Butcher Cannon is a heavy caliber, rapid-firing rotary gun used by the Forces of Chaos. Think of it as the Reaper Autocannon on steroids.

The Butcher Cannon is commonly found on Chaos combat walkers and it is another primary weapon of the Decimator Daemon Engine as well as a weapon of choice for Chaos Contemptor Pattern Dreadnoughts. The shells fired by the Butcher Cannon are bound with sorcerous Chaos runes of anathema and bloodletting which causes severe blood loss. When used by Chaos walkers, the Butcher Cannon usually features a large blade that is attached beneath the weapon's twin barrels; this allows the walker to engage enemy forces in close combat if they get too close for it to effectively use the weapon at range.

It is not recorded in Imperial records if any other Chaos walkers such as Chaos Dreadnoughts or Helbrutes, Daemon Engines such as Defilers or Soul Grinders, or Chaos Space Marine tanks such as the Predator or Land Raider are able to be armed with a Butcher Cannon, although it is presumed to be possible.

Gallery[edit]

Weapons of the Imperium of Man
Sidearms: Arc Pistol - Autopistol - Bolt Pistol - Flechette Blaster - Gamma Pistol - Grapnel Launcher
Grav-pistol - Hand Flamer - Handbow - Helfrost Pistol - Hellpistol - Inferno Pistol
Laspistol - Needle Pistol - Phosphor Blast Pistol - Phosphor Serpenta - Plasma Pistol
Radium Pistol - Reductor Pistol - Stub Pistol - Volkite Serpenta - Web Pistol - Neural Shredder
Basic Weapons: Arc Rifle - Autogun - Bolter - Bow - Crossbow - Hellgun - Lasgun
Radium Carbine - Shotgun - Storm Bolter - Stubber - Webber
Special Weapons: Combi-weapon - Conversion Beamer - Flamer - Grav-gun - Grenade Launcher
Long-Las - Meltagun - Needle Sniper Rifle - Plasma Caliver - Plasma Gun - Adrathic Destructor
Radium Jezzail - Sniper Rifle - Transuranic Arquebus - Volkite Charger - Photon Thruster
Galvanic Caster - Galvanic Rifle - Psilencer
Heavy Weapons: Autocannon - Grav-cannon - Harpoon Gun - Heavy Arc Rifle - Heavy Bolter
Heavy Flamer - Heavy Stubber - Heavy Webber - Helfrost Cannon
Lascannon - Missile Launcher - Mortar - Multi-Melta - Multi-laser
Phosphor Blaster - Plasma Cannon - Volkite Caliver - Volkite Culverin - Seismic Cannon
Darkfire Cannon
Vehicle-mounted
Weapons
Battle Cannon - Conqueror Cannon - Demolisher Cannon - Heavy Phosphor Blaster
Helfrost Destructor - Hydra Autocannon - Magma Cannon - Nova Cannon - Pulsar-Fusil
Punisher Gatling Cannon - Vanquisher Cannon - Volcano Cannon - Volkite Carronade
Heavy Seismic Cannon - Laud Hailer - Adrathic Devastator - Gatling Psilencer
Ordnance: Accelerator Cannon - Baneblade Cannon - Colossus Siege Mortar - Deathstrike Missile
Dreadhammer Cannon - Earthshaker Cannon - Griffon Heavy Mortar
Hellhammer Cannon - Manticore Missile - Medusa Siege Cannon - Quake Cannon
Stormshard Mortar - Stormsword Siege Cannon - Tremor Cannon
Super-Heavy
Weapons:
Apocalypse Missile Launcher - Doomstrike Missile Launcher - Gatling Blaster
Hellstorm Cannon - Inferno Gun - Laser Blaster - Macro Cannon - Melta Cannon
Plasma Annihilator - Plasma Blastgun - Plasma Destructor - Plasma Obliterator
Turbo-Laser Destructor - Vengeance Cannon - Vortex Missile - Vulcan Mega-Bolter
Sonic Destructor - Sonic Disruptor
Melee Weapons Chainweapons - C'tan Phase Weapons - Force Weapons - Power Weapons
Weapons of the Forces of Chaos
Sidearms: Autopistol - Bolt Pistol - Stub Pistol - Warpflame Pistol
Injector Pistol - Xyclos Needler - Plasma Pistol - Inferno Bolt Pistol
Basic Weapons: Autogun - Bolter - Fatecaster Greatbow - Lasgun
Shotgun - Stubber - Inferno Bolter - Sonic Blaster
Special Weapons: Flamer - Conversion Beamer - Meltagun - Plasma Gun
Sniper Rifle - Warpflamer - Bile Spewer - Combi-Bolter
Doom Siren - Sonic Shrieker
Heavy Weapons: Autocannon - Heavy Bolter - Heavy Flamer - Heavy Stubber
Lascannon - Mortar - Havoc Launcher - Plasma Cannon - Blastmaster
Reaper Autocannon - Soulreaper Cannon - Plague Sprayer - Plague Spewer
Blight Launcher - Heavy Warpflamer - Heavy Conversion Beamer
Daemon Weapons: Kai Gun - Harvester Cannon - Mawcannon - Butcher Cannon
Soul Burner Petard - Storm Laser - Skull Hurler
Hades Gatling Gun - Ichor Cannon - Gorestorm Cannon - Daemongore Cannon
Hellmaw Cannon - Scorpion Cannon - Tormentor Cannon - Plaguespitter
Heavy Blight Launcher - Plagueburst Mortar - Rot Cannon
Warpfire Flame Cannon - Ectoplasma Cannon
Vehicle-mounted
Weapons
Battle Cannon - Dirge Caster - Single-Barrelled Turbo-Laser Destructor
Hurricane Bolter - Demolisher Cannon - Accelerator Autocannon
Punisher Gatling Cannon
Ordnance: Apocalypse Missile Launcher - Doomstrike Missile Launcher
Super-Heavy
Weapons:
Gatling Blaster - Hellstorm Cannon - Inferno Gun - Laser Blaster
Macro Cannon - Melta Cannon - Plasma Annihilator - Plasma Blastgun
Plasma Destructor - Plasma Obliterator - Vulcan Mega-Bolter
Double-Barrelled Turbo-Laser Destructor - Volcano Cannon - Pus Cannon
Vengeance Cannon
Melee Weapons Chainweapons - Power Weapons - Daemonic Close Combat Weapons