Complete Mil-Spec M16 bolt carrier group for 5.56mm/.223 and 300 BLK.
- Bolt: 9310 Steel, Phosphate Finish
- Carrier: 8620 Steel, Chrome Lined, Phosphate Finish
- Extractor: 4140 Steel, Phosphate Finish
All CMMG products come with our Lifetime Quality Guarantee.
