80% Arms - Easiest 80 Lower Jig & Billet AR-15 Lower Receivers

80% Lower Receiver • 80% Easy Jig® • 80% Accessories

80% Arms sells AR-15 and .308 80% Lower Receivers, 80% Lower Jigs and other accessories for legal DIY home building of firearms, with no FFL required. We adhere to the highest standards of precision 5-axis CNC manufacturing for all our .308 and AR-15 lower receivers, using premium billet aluminum alloys made in the USA. No one sells AR-15 80% Lowers  with tighter tolerances. We also offer our patented AR-15 and .308 Easy Jig which is the first jig that makes it ridiculously easy for a non-machinist to finish their 80% lower in under 1 hour with no drill press required.

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