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.
- Material:
- Stainless Steel
- FireArm:
- No
- Finish:
- Black Phosphate
- Requires FFL:
- False
- Series Description:
- Bolt Carrier Group
