Upper Parts

The AR15 Assembled Upper Receiver -FDE Cerakoted comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Match...

These gas blocks contribute to an efficient and reliable gas system for your AR15 or AR 308 rifle build. Features: Fits barrels with .750 Outer Diameter Constructed from 4140 hardened steel Nitride coating Low profile for easy fitment Set Screws are...

The AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Match this upper with...

The Aero Precision Adjustable Gas Block allows the user to finely tune their gas system for any application. This is particularly useful for managing excess gas to reduce blowback on suppressed firearms, or competition builds where the shooter is looking...