.223/5.56 RISE ARMAMENT BOLT CARRIER GROUP- NITRIDE (MADE IN USA)
.223/5.556 RISE ARMAMENT BOLT CARRIER GROUP- NITRIDE (MADE
IN USA)
Rise Armament advanced bolt carrier group manufactured with
precision and individually inspected to ensure high-level performance
Specification
Finish: Black Nitride 
Bolt: 9310 MPI tested 
Carrier: 8620 tool steel-heat treated and case hardened 
Gas key: Tool steel 
Fasteners- Tool steel – grade 8 also properly staked 
Cam Pin: 4140 steel 
Extractor: Tool steel- shot peened hardened 
Mil-Spec
 
WARNING to California Residents: ⚠️ According to California's Proposition 65, some products sold on this website may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
 
                        

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