The Billet-AR upper receiver set is 100% machined in the USA and was engineered from the ground up to address structural design weaknesses in standard USGI receivers and enhance overall tolerances. It has a precise bolt raceway for smoother chambering, more rigid receiver walls to reduce firing flex. The Billet-AR upper receiver is CNC machined from 7075-T6 aerospace aluminum billet stock with a top Picatinny rail, M4-style extended feed ramps, and smooth side profile without forward assist for maximum accuracy potential. NOTE: Requires a dust cover, forward assist, charging handle, barrel, handguard, gas block, muzzle device, gas tube and BCG (Bolt Carrier Group) to complete.
Specifications:

Type	Upper Receiver
Caliber	223 Remington/5.56 NATO
Sights	None, Optic Ready
Barrel Length
Barrel Material
Twist
Barrel Description
Barrel Finish
Receiver Description	7075-T6 Aluminum
Receiver Finish	Black Hard Coat Anodized
Handguards
Handguard Finish
Barrel Length Range