Engineered for high-volume shooting and extra durability our Tac Pro includes enhanced features: all-metal construction; quick 2-pin take down; rear-mounted buffer spring for reliable cycling at high temperatures; unique hybrid gas/inertial action for reliable cycling with a wide range of loads and under heavy use . Fiber optic adjustable front sight fully adjustable and removable rear sight / carry handle; quad Picatinny rail; adjustable comb; sling attachment points. Flip-up sights available. Ships in hard case with 2- and 5- shell magazines (interchangeable with the FR98/99 and BR-99). Barrel is threaded for Beretta Mobile Chokes and ships with IC tube installed (Additional tubes available on this site and from after-market manufacturers)Note: in accordance with ATF import restrictions butt stock is fixed-position. - Specifications: - 12 ga - 3 and shorter shells - 18.5 barrel with shroud; Mobile Choke - One 2-shell and One 5-shell magazine - Gun Weight: 8 lbs. 5 oz. - Length of Pull: 14 - Overall Length: 40.25 - (1) 2rd & (1) 5rd MKA 1919-Type magazines