Aero Precision AR-15 Complete Upper 5.56 16 Barrel

Aero Precision AR-15 Complete Upper Features This upper receiver assembly features a 16-inch 4150 Chrome Moly Vanadium barrel with a carbine-length gas system ensuring consistent performance and reliable cycling. The barrel's 1:7 twist rate optimizes bullet stabilization while the pinned front sight base provides a robust and dependable sighting solution. The Magpul MOE SL carbine handguard enhances handling with a slim ergonomic design and M-LOK compatibility for accessory attachment. The 7075-T6 aluminum forged upper receiver includes M4 feed ramps and is finished in Black for durability and corrosion resistance. A standard A2 flash hider is included to reduce muzzle flash. Aero Precision AR-15 Complete Upper Specifications Caliber: 5.56 NATO Barrel Length: 16 inches Barrel Material: 4150 Chrome Moly Vanadium Steel Barrel Finish: Phosphate Twist Rate: 1:7 Gas System Length: Carbine Muzzle Device: A2 Flash Hider Handguard: Magpul MOE SL Carbine - Black Gas Block: Pinned Front Sight Base (FSB) Upper Receiver Material: 7075-T6 Aluminum Finish: Black Additional Features: M4 feed ramps