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CMMG MK4/AR15 5.7X28mm Magazine 32rd – Black
$36.20CMMG Magazine5.7X28MM32 RoundsFits CMMG MK4/AR15Matte FinishBlackFeatures:Upgraded Feed LipsNew texture patternEngraved 5.7x28mmWorks with Radial Delayed Blowback Uppers and Mk4/Mil-Spec AR15 lower receivers
