
Aero Precision M4E1 Multi Cal Stripped Lower
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.
Threaded Bolt Catch Roll Pin, Integrated Trigger Guard, Upper Tension Screw, Threaded Takedown Pin Detent Recess, Increased Magwell Flare, Nylon tipped tensioning set screw,Threaded Bolt Catch Pin
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