BCA’s complete flat top upper receiver is a perfect start for your AR
build, from a standard M4 style rifle to a 300 Blackout hunting upper.
This upper receiver is the perfect foundation. Built with M4 feed ramps
which line perfect with BCA barrels and many more. Made from 7075
aircraft aluminum to milspec. These anodized forged uppers will stand up
to the abuse these rifles are known to take. This upper includes
forward assist and dust cover.
- Stripped M4 Flat Top Upper Receiver
- Rear Charging
- Made from 7075 Aircraft Aluminum
- Includes Forward Assist and Dust Cover
- Anodized Black