12 gauge. 18" barrel length. SN: AB011213M. 2.75" or 3" chamber length. Improved cylinder choke. Parkerized metal finish. Two piece black synthetic stock has rubber texturing to semi pistol grip and forearm. Slide action shotgun with shrouded adjustable peep rear sight and shrouded blade front sight. Item features barrel porting, a full tube magazine, and a rubber recoil pad. Includes a black nylon sling and owner's manual.