Armalite AR10 3 Gun Upper Assy 18" bbl UAR103GN18

The Armalite AR-10 3-Gun Upper Assembly is a factory-built upper half designed for practical shooting applications. This assembly features an 18-inch match-grade stainless steel barrel equipped with a tunable muzzle brake designed to manage muzzle climb. A low-profile adjustable gas block allows for the adjustment of cycling pressures to accommodate different ammunition types. The forged 7075-T6 aluminum receiver includes a factory-installed bolt carrier group and a Raptor ambidextrous charging handle. The system is completed with a lightweight free-floating handguard that provides a forward Picatinny rail section for mounting optics or accessories.