Anodized Billet AR-15 Upper Receiver
Our billet upper receiver is the perfect match for your 80% Arms billet lower receiver. Our upper is made to Mil-Spec specifications and can be paired with any mil-spec lower receiver. Every upper is manufactured using most advanced 5 axis CNC technology available today, allowing us to achieve an unequaled level of precision.
- Type 3 Hard Anodized Black to Mil-Spec
- 5 axis machined from billet aircraft grade aluminum
- Compatible with Mil-Spec parts
- M4 feed ramps
- 1913 Picatinny rail flat top
- Shell deflector
- Dust cover port machined into receiver
- No Forward Assist
- Reinforced wall design for added strength
- No T markings
- Lifetime Warranty
- Made in USA
Comes stripped without dust cover assembly.
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Fits very nice when match
Fits very nice when match to 80% arms lower
80 Percent Arms has the
80 Percent Arms has the best quality lowers, and uppers that I have found anywhere for the price.
Not Quite Right
Does not easily fit onto 80% arms lower receiver and rail is too skinny, making it difficult to mount sights
May not fit aftermarket rails
Bought this to go with my 80% lower but it would not work with my giessele mk8 rail. In the future I'll stick to milapec upper receivers.
Shoots great. Could not get
Shoots great. Could not get Nikon P series mounts for pic.rail to fit.