Tacfire AR-15 Upper Receiver Assembly 300 Blackout 5" Barrel Black

The AR-STONER AR-15 Upper Receiver provides style, function, affordability to your AR-15 Pistol. The A3 upper attaches to virtually any standard AR-15 lower receiver. Machined with 300 Blackout feed ramps, this upper features an M-Lok handguard and 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 with a sleek design that does not sacrifice strength or ergonomics. Features Upper receiver with M4 feedramps Low profile .750 gas block Micro gas tube 4" MLOK hand guard Charging handle Dust cover Forward assist A2 flash hider