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About Us

80% Arms is dedicated to providing the highest quality 80% lowers on the market. Sometimes when you want something to be perfect, you just have build it yourself. That's just what we did when we designed our AR-15 billet lowers from the ground up to include all the features we believe the perfect lower should have.

Our products are precision machined on state of the art, American-made Haas CNC equipment in Orange County, CA. We take great pride in our product and adhere to the strictest quality control practices in the industry.