CMMG UPPER MK4LE OR 300BLK 16"

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CMMG UPPER MK4LE OR 300BLK 16"

CMMG UPPER MK4LE OR 300BLK 16"
CMMG Upper MK4LE, 300 AAC Blackout, 16" Barrel, 1:7 Twist, M16 Bolt Group, Railed Gas Block, Black 30BF85F