The Auto-Shorty is a sawed off semi-automatic hunting gun, the stock has also been cut off, leaving only a pistol grip for easy carry.
Pro's- Semi-Auto function means quicker follow up shots. The shotgun can be duel wield akimbo style since it's the smallest of all the shotguns.
Con's- Because the barrel has been cut, the range is limited and the gun power weakens with range. It is also limited to a 4 round capacity.
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The PM12 is a standard military issue pump action shotgun. It is carried by one soldier and used normally for breaching doors or room clearing during cqc. It has a pistol grip for easier carry, this is normally not used as a primary firearm but instead a secondary firearm.
Pro's- Large magazine capacity allows for more shots before having to reload. The longer barrel means more damage at longer ranges.
Con's- Pump-action slows fire-rate
The TSA2 is a police shotgun used for close quarter situations and door breaching. This model is fitted with a Holo scope.
Pro's- Semi-Auto function allows for higher fire rate. The mag capacity is larger than standard shotguns.
Con's- Being a full bodied shotgun, it is heavier and harder to carry.
The AMK12 is a chinese assault shotgun, modeled after the Russian AK design, it fires from either a drum magazine or a box clip. It can be fired Full-Auto or Semi-Auto.
Pro's- Full-Auto function will practically mow down everything in your path. Massive magazine capacity.
Con's- the heaviest of all the shotguns makes it extremely hard to carry