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CMMG Guard

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description CMMG Guard Overview

Manufactured by the American firearms company CMMG, the Guard is a pistol-caliber carbine and pistol line based on the AR-15 platform. It is engineered to fire lower-pressure cartridges, such as the 9mm Parabellum and .45 ACP, utilizing the company's proprietary radial delayed blowback operating system. This mechanical action is designed to reduce bolt velocity and felt recoil compared to traditional straight blowback systems, providing a stable shooting experience for sport shooters and home-defense practitioners.

help CMMG Guard FAQ

What is the CMMG Guard?

The CMMG Guard is an AR-15-based pistol-caliber carbine and pistol line. Its best-known chamberings include 9mm and .45 ACP, using CMMG's radial delayed blowback system.

How does CMMG radial delayed blowback differ from ordinary blowback?

The radial delayed system uses the bolt's locking and cam geometry to delay opening and reduce moving mass. CMMG says its 9mm system has almost 6 ounces less reciprocating mass than a traditional 9mm blowback action.

What magazines does the CMMG Guard use?

The 9mm Guard uses Glock 17 pattern magazines, while the .45 ACP Guard uses Glock 21 pattern magazines. That magazine choice is part of the difference between the smaller-frame and large-frame CMMG configurations.

Is the CMMG Guard an AR-15 or a submachine gun?

The Guard uses an AR-15-style layout but is a semi-automatic pistol-caliber carbine or pistol. It is not the select-fire submachine gun version of another platform.

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