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 More Information Barrel Length 16 Caliber 5.56 Condition New in Box Finish Per Color Black Manufacturer Aero Precision Manufacturer Part Number APAR502505M64 Model AR-15 Complete Upper Type Uppers UPC 840014604579
