Description
- Complete Mil Spec M16 bolt carrier group
- Extractor is 4140 Steel, Phosphate Finish
- Carrier is 8620 Steel, Chrome Lined, Phosphate Finish
This CMMG 5.56 Bolt Carrier Group, Black (55BA419) is a replacement part that fits M16 OR 556 model gun, and comes in black.
Warranty Information
Bolt | 9310 Steel, Phosphate Finish |
Carrier | 8620 Steel, Chrome Lined, Phosphate Finish |
Extractor | 4140 Steel, Phosphate Finish |