CMMG 5.7x28mm AR15 Caliber Conversion Kit Review (Archive)

In this video, we discuss and showcase the CMMG 5.7x28mm Caliber Conversion for standard AR15 frame size. Utilizing the barrel, bolt carrier group and CMMG magazines, you are able to turn a stock AR15 in 5.56 into a customized 5.7x28mm rifle or pistol with many exciting new ballistic possibilities. These kits are available in a variety of lengths for pistols and rifles to suit your perfect build. Video is an archive of my previous work.

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