Home / Parts / MSR Parts - UR / Bolt Carrier Group / CMMG – CMMG BOLT CARRIER GROUP M16 556 CMMG – CMMG BOLT CARRIER GROUP M16 556$13935 CMMG BOLT CARRIER GROUP M16 556 Out of stock SKU: CMMG55BA419 Category: Bolt Carrier Group Product ID: 16077 Description Additional information Description CMMG Bolt Carrier Group Black 55BA419 Additional information Weight 14 oz Dimensions 2 × 9.25 × 1.75 in Related products Out of stock Doublestar Corp. – DBST BCG WITH O RING $10603 Out of stock LBE Unlimited – LBE M16 BOLT CARRIER GROUP $12956 Out of stock Midwest Industries – MIDWEST AR-15/M16 BOLT CARRIER GROUP $13246