The M4A1 clone complete lower receiver is equipped with custom engraving on the AR-15 Gen 2 lower receiver making it an ideal component for constructing an M4A1 clone.

Aero Precision custom logo
The markings are as follows: "Property of U.S.A.," "MOD M4 carbine," and "CAL. 5.56MM."
Serial number assignment
Markings for safety selector - safe/semi-automatic
Enhanced magwell flare - facilitates more efficient magazine insertion and contributes to an improved aesthetic design
Upper tension screw - this component enables precise adjustment of the fit between the upper and lower receivers
It utilizes a nylon-tipped tensioning set screw, which is inserted into the grip tang of the lower receiver
This mechanism ensures a secure and tight fit with any standard AR-15 upper receiver

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It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

Magazines will be removed from firearms when shipping to states with magazine capacity restrictions.

Must be 21 or older to purchase.

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