This video provides an expert-level review of the CMMG MK57 Guard in 5.7x28mm, featuring insights from Iraqveteran8888. It covers the firearm's unique radially delayed blowback system, magazine compatibility with the FN Five-seveN, suppression capabilities with a KGMade Swarm suppressor, and impressive long-range accuracy. The review highlights the low recoil and high velocity of the 5.7x28mm cartridge, making it a compelling option for pistol-caliber carbine enthusiasts.
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