AR 15 80 Lower Receiver

United Defense AR-9 9mm 80% Lower – Glock Mags


    United Defense AR-9 9mm 80% Lower – Glock Mags

    United Defense’s 80% Arms 9mm AR-9 80% lower receivers are machined to the highest quality standards using the most advanced CNC machines in the world. The machines we use are designed to manufacture spacecraft and aerospace parts which require extremely tight tolerances. The end result is the best quality 80% lower receiver on the market.



    Accepts Glock magazines

    Threaded bolt catch hole

    Threaded hole for upper receiver tension adjustment

    Mil-spec part compatibility ensures maximum rifle customization

    Withstands the harshest punishment from any situation using ultra-tough design, precision machined from aircraft-grade billet aluminum for superior strength.

    Rear take down lug pocket completed

    *Requires 9mm upper and 9mm bolt carrier group. Includes magazine release.

    State law prohibits shipping this item to NJ.

    Note: Does Not Have Last Round Bolt Hold Open

    NOTE: ***Cannot ship this Product to the following States: New Jersey, Connecticut, Illinois (Cook and Chicago County), Maryland, New York, Rhode Island and Washington DC***


    Please note: If the listing says “In-Stock” it means we have the item in stock.

    Warranty, Returns & Terms: Davidson Defense offers a 30 day return, refund and exchange policy. You must email/call Davidson Defense and obtain an RMA number prior to any return, refund, or exchange. All returns must include the original order number, receipt or invoice, along with the billing address, shipping address, contact phone numbers, contact emails, and RMA number. Returns, refunds, and exchanges may take up to two weeks, not including transit times, for processing after we receive it. Return shipping costs will be the responsibility of the returning party, with the exception of the wrong item being received or on warranty exchange during the first 30 days after delivery. Items returned for warranty will only be replaced or exchanged, not refunded.


    DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.


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