Rock Island Armory Lion Tactical Black Anodized 12 Gauge 2-3/4in Semi Automatic Shotgun - 18.5in - Rock Island Armory Lion Tactical Shotgun is an efficient and reliable no-nonsense 12 Gauge shotgun operating with an inertia style action and features a lightweight aluminum receiver with a 5 + 1 capacity. Comes with light weight polymer furniture and 18.5in vent rib barrel reamed for full.