AR-STONER A3 AR-15 Complete Upper Receiver 6.5 Grendel 16" Barrel

This powerful AR-STONER A3 Upper Receiver Assembly in 6.5 Grendel is designed to provide all the function, style and affordability for today's modern sporting rifle shooter. It features a 16" 4150 chrome moly steel, heavy contour barrel with 1:8 twist. The A3 upper attaches to virtually any standard AR-15 lower receiver. Additional features include a carbine-length gas system, flash hider, and an Ultralight 15" free float M-Lok Handguard. The handguard features a sleek design while maintaining strength and ergonomics. Finish building the gun of your dreams with this AR-STONER AR-15 A3 Upper Receiver Assembly in 6.5 Grendel. Features:6.5 Grendel Type 2 Bolt FaceComplete Bolt Carrier Group15" Ultralight M-Lok Handguard16" 4150 Chrome Moly SteelFlash HiderCharging Handle