The OD Green Stripped Upper Receiver is machined from 7075 T6 Aluminum forging.
Featuring M4 feed ramps, this upper receiver is machined to Military Specifications & Standards and can be used with multiple calibers on the AR-15 platform.
This upper is professionally Anodized then using Sealkoted for the ultimate in durability.
Match this Upper with any mil-spec lower receiver to finish your build.
Will fit most AR15 applications. 5.56 Nato, .223, 300 blackout, 6.8 SPC