9mm Nitride Bolt Carrier Group

Prime Weaponry, LLC

$ 124.95 $ 159.95

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8620 Steel Carrier Body with a tool steel extractor bolt carrier group. This Bolt Carrier group is nitride QPQ Treated with a Rockwell rating of 72 giving you the hardness needed to withstand thousands of rounds of usage. It is fully assembled ready to install.

- 8620 Steel Carrier

-S7 Tool Steel Extractor

-4140 Steel Gas Key

-8620 Steel Weight

- 8670 Steel firing pin Hard Chrome Coated

- Mil-Spec fasteners and staked properly