Description
The NBS AR15 billet upper receivers are the perfect compliment to many billet lowers. Machined from a solid brick of 7075-T6 aluminum, hand deburred, tumbled, and hard coat anodized, our uppers will provide you a lifetime of service. We ensure that every upper is well within spec and will function perfectly for your build.
7075-T6 aluminum
Accepts all mil-spec components
Left side relief allows for most aftermarket battery assist devices
Fits all milspec dimension lower receivers
Looks great with billet AR15 lower
Hard coat anodized
