Ammunition - Posts - Modulus Arms | 80% Lower Receivers and 80 Lower Jigs

Posted by Modulus Arms on 22nd Apr 2022

M193 Explained

M193: The Grandfather of 5.56mm Ammunition Beginning in the mid to late 1950s it was decided that the American Warfighter needed a rifle and cartridge that was lighter, would sustain accurate fire o …

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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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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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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 21st Sep 2021

Best AR-15 Calibers

One of the greatest things about AR style rifles is its versatility. It can be made to do everything from an accurate medium-range hunting rifle, to a compact, high-speed, low-drag, hard-hitting ho …

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