12 Gauge. 18.5" barrel length. SN: R377959. 3" chamber length. Cylinder bore. Black Anodized alloy receiver with oxide finish to remaining parts set in black synthetic semi-pistol grip stock with rubber recoil pad. Slide action repeating shotgun fed by a tube magazine mounting front blade sight with dovetail to the top of the receiver. Item shows standard make and model markings overall. Comes in original cardboard box, and remains sealed in its original plastic bag.