Posted by Modulus Arms on 27th Nov 2021
A raw 80 percent lower is exactly what it sounds like - an 80 lower that has not had any treatment for its surface’s finish which means you get a lower receiver without any color or coating, just b
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Posted by Modulus Arms on 19th Nov 2021
80 Lower: Forged vs Billet
The AR’s receiver design is simple enough that given the time and effort, one can even make a stripped lower receiver out of aluminum cans. AR lower receivers and 80 lowers available on the market
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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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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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Posted by Modulus Arms on 6th Oct 2021
300 Blackout Supersonic vs Subsonic - What is the difference?
.300 Blackout is an intermediate caliber that performs with a better ballistic capability than 5.56x45mm while retaining the same round capacity using a standard M4 magazine. Designed for the purpo
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Posted by Modulus Arms on 5th Oct 2021
Difference between an AR-15 and M16 BCG (Bolt Carrier Group)
The bolt carrier group (BCG) can be imagined as the mechanical heart of any AR style rifle. This light saber shaped component interacts directly with the rounds fired through your firearm; striking
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