The SU-22 operates by blowback action and have a 4140 steel bolt that rideson steel guide rails inside the polymer receiver. The ejector is attachedto one of the guide rails and the recoil spring is located above thebarrel. The rear sight is adjustable for windage and the front sight isadjustable for elevation. An integrated picatinny rail on top will accept amultitude of sighting options. The muzzle end of the barrel is threaded1/2?-28 to accept standard attachments such as a muzzle brake. A 27 roundsemi-transparent magazine is included.