Engineered for high-volume shooting and extra durability, our EVO-BT includes enhanced features: super solid all-milled metal construction; crisp, metal trigger; unique ambidextrous charging handles; quad Picatinny rail; removable flip-up sights and removable angled fore grip. Ships in hard case with 2- and 5- shell magazines. Barrel is threaded for Beretta Mobile Chokes, and ships with IC tube installed, (pictured additional set of C-IC-M-IM-F tubes available on this site and from after-market manufacturers). Includes takedown tools and barrel shroud. Magazines guaranteed compatible with Rock Island Armory VR80, VR60, VRBP-100, Panzer Arms AR-12, AR-12 PRO and BP-12, MKA 1919, BR-99 and FR-98/99 Shotguns. Additional magazines available on this site and from after-market manufacturers.