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cc-settings-icon 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.
cc-gun-icon 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.
cc-hand-icon 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.
cc-thumbs-icon 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

Troubleshooting your Easy Jig Gen2

Troubleshooting your Easy Jig Gen2

80 Percent Arms | Aug 2nd 2023

At the time of release, our Easy Jig® Gen 2 made waves by showcasing a multitude of quality of life and feature changes from our first-generation jig. This tool can mill multiple platforms. It ha...
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.300 Blackout Barrel Length Guide & Tips

.300 Blackout Barrel Length Guide & Tips

80 Percent Arms | Jul 19th 2023

What is 300 blk good for? That's really what everyone wants and needs to know — why spend more money on an expensive caliber for an AR15 build when you could just shoot .223 or 5.56 NATO? Wha...
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Holosun vs Aimpoint - Which is better?

Holosun vs Aimpoint - Which is better?

80 Percent Arms | Jul 11th 2023

Technology within the wide world of firearms has taken leaps and bounds with the advancements made in rifle sighting equipment. Convenience plays a vital role as a new standard for optics, especially...
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Colorado 80 Percent Lower Laws

Colorado 80 Percent Lower Laws

80 Percent Arms | Jun 3rd 2023

Legal Disclaimer: The information in this blog is not legal advice. We are not lawyers. While we endeavor to keep all our blogs updated with the most accurate information, gun laws change quickly a...
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Phlster Enigma Holster System Explained

Phlster Enigma Holster System Explained

80 Percent Arms | Apr 12th 2023

Sarah & Jon Hauptman began Phlster as a Kydex holster craft DIY tutorial Youtube channel in 2010. Phlster eventually began to produce holsters for sale and would branch out towards knife sheaths a...
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Most Recent Posts

Troubleshooting your Easy Jig Gen2

Effective Range of an AR-15: How far can it shoot?

.300 Blackout Barrel Length Guide & Tips

Holosun vs Aimpoint - Which is better?

Colorado 80 Percent Lower Laws

Phlster Enigma Holster System Explained
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