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AR9 Parts Guide

Posted by Modulus Arms on 16th Nov 2021

AR9 Parts Guide

The AR9 is a wonderful thing. Since it is a part of the AR platform, it allows users to take advantage of the wide variety of parts that any AR-15 or AR-10 could also use. Given its extreme modular …

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Best AR10 Lower

Posted by Modulus Arms on 1st Nov 2021

Best AR10 Lower

While having a 300 BLK build can mean simply having a dedicated 300 BLK upper receiver and a normal AR15 lower borrowed from a previous gun, having a 308 AR means you have to do an entirely new bui …

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What is an AR9?

Posted by Modulus Arms on 20th Oct 2021

What is an AR9?

The AR9 is an AR style lower receiver made specifically to shoot 9mm or .40 S&W Glock with Glock style magazines. It shares all the same furniture that an AR-15 does, and is compatible with man …

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300 Blackout Complete Guide

Posted by Modulus Arms on 18th Oct 2021

300 Blackout Complete Guide

5.56 has served as the standard small rifle caliber for the US Armed Forces since around the same time as modern BDUs were beginning to be worn. As Crye Precision came to fulfill the specialty dema …

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Hunting Deer With 300 Blackout

Posted by Modulus Arms on 13th Oct 2021

Hunting Deer With 300 Blackout

Designed for SOCOM operations in mind, the .300 Blackout has gained widespread recognition and usage that is driving it ever closer to being a staple caliber for the AR-15. This status comes with …

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Building a CA Compliant AR15 in 2021

Posted by Modulus Arms on 8th Oct 2021

Building a CA Compliant AR15 in 2021

It’s been a crazy year for everyone, especially for those of us behind the Iron Kurtain of Kommiefornia: Everything from riots to new gun-grabbing legislation has put a lot of people on edge and pu …

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