The JTS M12AR is a semi-auto AR-style 12 GA shotgun. The M12AR chambers 2 3/4" and 3" shells and comes with two 5rd magazines. This AR-Style shotgun also features an aluminum forearm, removable AR front and rear sights, Picatinny rail, 4-position gas system, chrome-lined barrel, as well as fitting Rem Choke tubes. NEW IN BOX! {Prefer Text!}