These 5.56/300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel, Full-Auto rated, properly staked, and the bolts are Matched to the barrel.
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Lantac USA

LANTAC 556 MILSPEC+ BCG BLK NITRIDE
Original price was: $189.99.$170.99Current price is: $170.99.
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