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AR10 vs AR15 Parts Compatibility

AR10 vs AR15 Parts Compatibility

80 Percent Arms | Nov 17th 2021

Calling all AR fans — if you’re a builder like us, you’re probably constantly thinking about the next rifle setup you’ve got in your mind, a clone, or when you’ll finally...
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AR 40 Build Guide

AR 40 Build Guide

80 Percent Arms | Oct 27th 2021

Are you a fan of .40 cal? So are we! Let’s face it, if it goes pew, chances are we’re going to like it. During the height of the pandemic, 40 S&W ammunition was significantly chea...
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Best AR 15 Charging Handle

Best AR 15 Charging Handle

80 Percent Arms | Oct 26th 2021

Do AR charging handles make a difference? Yes! They certainly can. The stock mil-spec charging handles that come with an upper receiver purchase or a pre-built gun have a lot of shortcomings compar...
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How to Build an AR10

How to Build an AR10

80 Percent Arms | Oct 11th 2021

There’s only a few reasons a person would want to have an AR-10 rifle: they’re planning on doing some long range, precision shooting; hunting, or it’s just because that DMR style loo...
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Should I Cerakote My AR?

Should I Cerakote My AR?

80 Percent Arms | Sep 8th 2021

If you have found an aftermarket service that can cerakote your AR-15 for an affordable price, then by all means go for it! Cerakote is one of the most popular coating methods used today on AR style r...
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AR9 LRBHO — Explained

AR9 LRBHO — Explained

80 Percent Arms | Sep 2nd 2021

What is ‘LRBHO?' The acronym stands for ‘ last round bolt hold open,’ which is the function that keeps the bolt carrier group within a gun locked rearward on an empty magazine after the last roun...
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