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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

A Complete Guide to Alternative AR-15 Rounds

A Complete Guide to Alternative AR-15 Rounds

80 Percent Arms | Dec 10th 2020

When it comes to the AR-15, you have a broad selection of rifle calibers, and many of those are widely available at local gun stores, online dealers, and at everyone’s favorite gun shows. Most shooter...
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Big Game Hunting Tips

Big Game Hunting Tips

Guest Post | Apr 9th 2020

Hunting big game is the apex of hunting. When a hunter is ready to hunt down deer or moose, he/she knows they have entered the big leagues. However, big game hunters have numerous tricks up their s...
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300 Blackout for Hunting Deer - Does it Work?

300 Blackout for Hunting Deer - Does it Work?

80 Percent Arms | Nov 13th 2019

The AR-15 platform keeps getting tinkered with, and the results are new, innovative, and just downright cool calibers to push through a reliable and versatile platform. And still one of my favorite...
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What Type of Ammo Should I use for Hunting?

What Type of Ammo Should I use for Hunting?

80 Percent Arms | Oct 19th 2019

First and foremost when taking an animal, the hunters’ primary concern after safety should be making it a humane and ethical shot. There is no ammunition that is going to work beyond the ability...
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