BUILD AT HOME

80% Arms sells AR-15 and .308 80% Lower Receivers, 80% Lower Jigs and other accessories which allow you to legally build a firearm at home in most states.

INCREDIBLY PRECISE

We utilize state of the art 5-axis CNC machines to mill all our .308 and AR-15 80 percent lower receivers to incredibly precise tolerances using premium billet aluminum.

RIDICULOUSLY EASY

We also offer our patented AR-15 and .308 Easy Jigs® which is the first 80% lower jig that makes it ridiculously easy for a non-machinist to finish their 80% lower.

100% SATISFACTION GUARANTEED

Products manufactured by 80% Arms carry a lifetime warranty against manufacturing defects. We will promptly replace or repair any product that we determine to be defective.

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.300 Blackout vs 5.56mm NATO

80 Percent Arms | Sep 25th 2020

If you spend any time shopping for ammunition online, chances are high you have stumbled across the whole .300 Blackout vs. 5.56x45mm debate that firearms enthusiasts are so fond of. Like y...

80% BLOGS

.300 Blackout vs 5.56mm NATO

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