American Tactical .410 Gauge AR Upper Kit, 18.5" Stainless Steel Barrel, Black Anodized - ATI15MS410KIT

Complete AR-15 upper assembly kit chambered in .410 gauge with an 18.5" stainless steel barrel and 5-round magazine capacity. Features popup iron sights, optic-ready receiver, aluminum construction, and includes a 3oz buffer for proper cycling. Designed as a conversion kit for standard AR-15 lower receivers.