Description

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 that challenge much more expensive billet options, we have added several functional features to the lower receiver to 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).
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
This product is blemished. Blemishes may include:
Plating inconsistencies
Pits
Scratches
Dents
Flaws in finish
Our blemished products are fully functional, they just didn't meet our high standards. They are a great product at a discounted price for someone who doesn't mind a slight imperfection. We do not accept returns on blemished products.

MPN#: APAR600001BC

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Compare prices for APAR600001BC - Aero Precision M4E1 Stripped Lower Receiver Anodized Black (BLEM) from all vendors

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$99.99
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Comments (3)

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8/10/2021 - A non-blem Ballistic Advantage branded lower, manufactured by Aero, that is the same as this Aero other than having the BA "spade" rollmark instead of the huge Aero "A" rollmark is available directly from BA for $94.99 with free shipping.
https://www.ballisticadvantage.com/ba-ar-15-enhanced-lower-receiver.html

2 votes
0 votes

I have the BA version and can confirm it's exactly the same. I also find the BA rollmark to be much better looking in my opinion.

2 votes
0 votes

It's a little higher than usual for blem but not wildly. Well worth the money. IMO the M4E1 is the best standard build lower on the market today.

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