Elevate your firearm with the Aero Precision Complete Upper Receiver. Designed for precision and reliability, this M4E1-E model is chambered in 5.56x45mm NATO and features a 13.9-inch government profile barrel with a mid-length gas system. The 1 in 7 twist rate ensures optimal bullet stabilization, while the 1/2 x 28 threading allows for easy attachment of muzzle devices.
The included A2 Flash Hider minimizes muzzle flash, and the sleek anodized black finish adds durability and style. Perfect for both enthusiasts and professionals, this upper receiver is a fantastic upgrade for your AR-15 platform.
