This shotgun is an efficient and reliable no-nonsense 12GA shotgun operating with an inertia style action and features a lightweight aluminum receiver with a 4 + 1 capacity. Comes with lightweight polymer furniture and 18.5" vent rib barrel reamed for full. Modified and improved choke tubes making this a sporting shotgun that can approach any defense situation. Chambered for both 2-3/4" and 3" shotshells. Our customers reside all across the country and are governed by numerous federal, state, county, city, and municipality regulations for these types of products. Please consult your area's laws and regulations governing this product and its use. | Rock Island Armory X4 12 Gauge 18.5" Shotgun 4 Round