Ferfrans Full Mass Enhanced Bolt Carrier Group With The Rate Reduction System For AR15 Style 5.56 / .223 Rifles.
- High-strength and easy-to-clean nickel boron finish
- Individually MPI tested
- Bolt: 9310 MPI tested
- Carrier: 8620 tool steel heat treated and case hardened
- Gas key: tool steel - grade 8 hardened fasteners and staked properly
- Cam pin: 4140 steel
- Extractor: tool steel – shot peened
For complete and current information on this item please see the manufacturer's website.
Satisfaction guaranteed. We are so confident that you will be 100% satisfied with this product that we have protected your purchase with our 30 day money back guarantee.
California residents: this product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information visit https://www.p65warnings.ca.gov.