TriStar's Raptor ATAC is a semi-automatic, gas operated tactical shotgun that allows you to shoot light to heavy loads. The barrel has a raised bridge fiber optic front sight, and an extended Beretta Mobilchoke Cylinder choke tube. Mounted on the top of the receiver is a Picatinny rail with a ghost ring sight installed. The fixed synthetic pistol grip stock has a black finish and swivel studs. This 12 gauge model has a 20" barrel.