Features: Threaded 1/2 x 28 barrel standard Thumb magazine release All-weather polymer skeletonized stock 100% American-made parts and assembly FREE trigger lock sling and swivels 10-round magazine (not interchangeable with C9)Internal recoil buffer in stock Last round lock open Picatinny rails Fully adjustable sights (rear peep & post front)Specifications: Barrel length: 16.5" Weight: 6.25 lbs. Capacity: 10-shot magazine standard Overall length: 31" Sights: Fully-adjustable Stock: All-weather hydro-dipped molded polymer