AR-STONER AR-15 Pinned and Welded Complete Upper Receiver 5.56x45mm NATO 13.9" Barrel

The AR-STONER AR-15 Upper Receiver provides style, function, affordability to your AR-15. The A3 upper attaches to virtually any standard AR-15 lower receiver. Machined with M4 feed ramps, this upper features an M-Lok handguard and 4150 Chrome Moly Vanadium barrel with a matte finish to top it off. M-Lok Handguard slots allow mounting of popular M-Lok compatible accessories directly to precision cutouts and features integrated QD sling mounts with a sleek design that does not sacrifice strength