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.

80% BLOGS

Best AR15 Conversion Kits

80 Percent Arms | May 17th 2022

AR15 conversion kits are awesome. Why? They’re convenient, there’s no guesswork in whether or not the converted setup will function consistently and perform reliably. AR-15 conversion kits...

How to Fully Customize Your AR-15

80 Percent Arms | Feb 26th 2021

Of all the firearms available today, perhaps none are entirely as modular or iconic as the AR-15. If you have the funds and know-how, you can turn your AR-15 into virtually any type of weapons p...

80% BLOGS

Best AR15 Conversion Kits

How to Fully Customize Your AR-15

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