It is semi automatic allowing for a good steady rate of fire general information.
Killing floor shotgun.
2 choice of full auto and semi auto fire modes alt fire to toggle between fire modes the aa 12 is an automatic shotgun devastating firepower at close to medium range but eats ammunition on full auto.
The actual shotgun it is based on is the benelli m3 super 90 which is a combination pump action and semi automatic shotgun with a surefire dedicated forend weaponlight attachment.
M4 combat shotgun 6 magazine size 8.
The hunting shotgun is the tier 2 weapon available for the support specialist it is a double barreled shotgun that fires its two shells at an extremely fast rate and can deal a large spike of damage to any specimen the alt fire shoots both barrels at once for one powerful shot by using the alt fire mouse 3 default with one shot it can kill multiple clots which earns the achievement.
2 primary fire uses a single barrel only alt fire shoots both barrels at once double barrelled side by side 12 gauge shotgun ideal for close range combat.
Killing floor 2 item.
Even the biggest zeds will stagger.
2 fire mode is semi auto only benelli designed the m4 combat shotgun for the us military.