Nickel Boron coated M16 Bolt Carrier Group. Can be used as a "Chrome" substitute for reproduction builds if you want the look/lubricity of chrome but don't want to pay the price.
- Compatible with 223, 5.56, 300 blackout
- Nickel Boron Coating
- Bolt made from 9310 Steel
- Carrier made from 8620 Steel
- MPI Tested
- Made in USA
For Machines Retaining Pin (Here)
