TacFire BU-556-5 Complete Pistol Upper Assembly 5.56 NATO 5" Barrel, Black - BU5565

Complete AR-15 pistol upper assembly chambered in 5.56x45mm NATO with a 5" black nitride barrel and M-LOK handguard. Features a black anodized 7075-T6 aluminum receiver, includes bolt carrier group, and is optic ready with no iron sights installed. Designed to mate directly to a compatible AR-15 lower receiver.