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Introducing the 80% Arms AR-45 lower receiver! This precision-machined lower is based on the time-tested AR framework and is designed to accommodate both .45 ACP and 10mm Glock magazines. Experience unmatched power from a shoulder-fired, pistol-caliber platform with this tight-tolerance, Type III hard anodized billet lower. The receiver is designed to accept any mil-spec standard AR-15 lower parts kit to take full advantage of the expansive AR-15 aftermarket support.
Our 80% lowers are manufactured with 6061 T6 aluminum which combines the properties of ease of machining with long-lasting durability and corrosion resistance.
Compatible with multiple .45ACP and select 10mm upper receivers
Type III hard anodized finish
Aggressively flared magwell for faster-than-ever reloads
Integrated trigger guard for ease of assembly
Compatible with .45 ACP and 10mm Glock magazines
Threaded bolt catch screw hole
Completed rear takedown lug pocket
Full mil-spec parts compatibility
Includes bolt catch screw set and Gen 2 PCC hardware set
Polymer Magazine Release
- Fire Selector Engraving
*Please Note: Not compatible with Easy Jig® Gen 1 or Universal Drill Press Jig.
80 Percent Arms strives to provide the highest level of customer service within the 80% and firearm industry as a whole. We support all of our products with a lifetime warranty* so you can build with confidence.
You can always expect prompt and educational information as customer satisfaction is our bread and butter. For any questions or concerns regarding our products, please contact us at either email@example.com, (949) 354-2767 or message us via our live chat!
For more help and tips, be sure to check out our instructional videos on Odysee.
This item is restricted from shipping to the following: California, Colorado, Connecticut, Hawaii, Illinois, Maryland, New Jersey, New York, Oregon, Philadelphia Pennsylvania, Rhode Island, Washington, Washington D.C.