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DISCOUNT CODES DO NOT APPLY ON GUN SALES.
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The M4E1 Lower Receiver (AERO SKU APAR6000001C) 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
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
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.
Stripped M4E1 Lower Receiver
Nylon tipped tensioning set screw
Threaded Bolt Catch Pin