Aero Precision AR-15 M4E1 Threaded Stripped Upper Receiver .223/5.56 Aluminum Black

Aero Precision
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Aero Precision is a state of the art manufacturer which crafts superior parts, uppers, and complete rifles. Every component is engineered to razor thin tolerances within Mil-spec standards and is manufactured with the most advanced technologies available. Aero Precision pushes the boundaries of manufacturing with perfect engineering and clean machining by developing and evolving existing processes. When you need perfection and there is no margin of error, you need Aero Precision!

Aero Precision is producing this no nonsense durable mil-spec AR-15 M4E1 Threaded Stripped Upper Receiver. This upper features the same innovative body profile as their Enhanced Upper Receiver but it's threaded to accept any standard AR15 barrel nut. The M4E1 is forged 7075-T6 aluminum that's precision machined with M4 feed ramps, laser engraved T-Markings and ready for your next high performance AR build. It's ready to accept any standard AR-15 lower receiver but when matched to an M4E1 lower, it'll give you a billet look at a fraction of the billet price. This upper can be used with any standard AR caliber build including, .22 LR, 5.56 NATO, .223 Rem, .300 BLK, or 6.8 SPC. If you're looking for an affordable solid AR upper to start your next build then you're looking for the Aero Precision M4E1 Threaded Stripped Upper Receiver!
Forward assist and port door are not included.

Specifications and Features:
Aero Precision APAR700201C
Mil-Spec AR15 M4E1 Threaded Stripped Upper Receiver
M4 Feed Ramps
.250 takedown Pin Holes
Laser Engraved T-Markings
No Forward Assist or Port Door
7075-T6 Machined Aluminum