*Milspec forged aluminum upper receiver with forward assist and dust cover assembly installed. Matte black hard coat anodized Mil 8625 Type 3 Class 2. Forged from 7075 T6 aluminum. M4 Feed Ramps.

*AR15Part.com Premium 15" Extended Rifle Length Narrow Profile KEYMOD Rail. Fit and Finish on our newest line of free float rails is outstanding. 100% US Made. Very comfortable and very light weight. Keymod slots run the entire length of our rail at the 3, 6, and 9 o'clock postions. Keymod rail sections NOT included but are available for purchase on our website if needed. Keymod rail sections easily attach to our rails for adding accessories like bipods, flash lights, grips, lasers, etc.

*18” 416R Match Grade Stainless Steel Fluted Medium Contour Barrel with 1x8 twist. 1/2x28 threads.

*.750 Low Profile Gas Block.

*Rifle Length Gas Tube.

*Custom Shop Muzzle Brake with crush washer.

*This upper assembly will fit all standard AR 15 lower receivers and utilizes a standard 5.56/.223 BCG and Charging Handle.
*Ammunition requires use of 6.8 SPC magazines for reliable feeding.