Chaingun (Doom 2016)

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The chaingun.

The Delta-12 chaingun, also simply known as the chaingun and referred to in short as the D12, is a fast-firing multi-barreled automatic weapon, similar to a Gatling gun, which returns as a weapon in the 2016 reboot of Doom. It was first seen in Bethesda's E3 2015 demo footage, where it was briefly used to shoot at a pinky demon and what were later confirmed to be barons of Hell.

Far from simply conventional, the D12 uses Argent energy infusion to overdrive its firing mechanism, a piston capable of 220,000 PSI pressure, resulting in an extremely high muzzle velocity of 5000 feet per second. This crucible is self-recharging, using the barrel heat produced from firing to keep its internal battery charged. It utilizes 15 mm caliber tungsten slugs as ammunition.

Design

The D12 is the largest version of the chaingun so far, stated to weigh 45 kilograms and stretching most of the way across the view. It appears as if though it would be more in-place as a component of an aircraft or armored vehicle than as a portable weapon. With modifications applied, this incarnation can have three independent sets of triple-barreled turrets which can be fired simultaneously.

Modifications

Gatling Rotator

This unapproved third-party modification to the chaingun overrides the release mechanism of the firing crucible. This allows firing of the weapon to begin before the barrels reach full rotation velocity. This trades faster initial fire for a longer spin-up time.

Mobile Turret

This modification adds another crucible and compression piston chamber, doubling the weapon's firing rate by using all three of the barrel clusters simultaneously. While extremely powerful and stated to be rivaled only by the BFG, it expends ammunition at an amazing rate and also overheats the weapon, requiring a long cool-down period to be endured after its use. The barrels' metal can be seen to glow red after a firing cycle is complete.