"The Four Peaks Adler HT-104 Semi-Auto Shotgun is a sleek, piston-driven autoloader that's as simple to operate as it is affordable. Perfect for the field, it features a 28"" barrel, polymer stock and forend, and oversized rubber butt pad. Fiber-optic front sight. Cross-bolt safety. 7075-T6 billet aluminum receiver. The Four Peaks Adler HT-104 takes Mobile chokes and is also chambered for 2-3/4"" shotgun shells. Piston-driven semi-auto action 28"" 4140 steel oxidation-proof barrel Polymer stock and forend Oversized rubber butt pad Fiber-optic front sight Cross-bolt safety 7075-T6 billet aluminum receiver"