AERO M4E1 STRIPPED LOWER RECEIVER BLK

The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom-engineered design provides features that challenge much more expensive billet options and simplify the assembly process for the at-home builder. – M4E1 Lower Receiver Improvements: – Threaded Bolt Catch Roll Pin – Allows for simple installation of the bolt catch and virtually eliminates the chance to damage the finish during installation (pin included). 1/16 Hex Key required for assembly. – Integrated Trigger Guard – Eliminates the possibility of breaking the trigger guard tabs by integrating the trigger guard into the lower creating a stronger more rigid platform to build upon. – Upper Tension Screw – Allows users to fine tune the fit of the upper and lower receiver using a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. This provides a tight fit with any standard AR15 upper receiver. – Threaded Takedown Pin Detent Recess – Allows user to easily install the Takedown Pin detent and spring with the use of a 4-40 set screw (no more launching detents across the room). – Increased Magwell Flare – Increased the flare of the magwell to aid in quick and efficient magazine changes. – Marked and milled to accept short-throw safety selectors but will work with standard selectors as well. – Includes: – Stripped M4E1 Lower Receiver – Nylon tipped tensioning set screw – Threaded Bolt Catch Pin

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