The TR Imports Silver Eagle TAC PRO semi-automatic 12 gauge features all metal construction with a quick 2-pin take down, rear-mounted buffer spring for cycling at high temperatures. The hybrid gas/inertial action is used for cycling with a wide range of loads and under heavy use. The fiber-optic sight is fully adjustable along with the removable rear right. This gun also features a quad Picatinny rail with adjustable comb and sling attachment points. It ships in a hard case with 2- and 5- shell magazines. The barrel is threaded for Beretta Mobil chokes.