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This is a Mil-Spec bolt assembly with enhanced features for those looking to complete a bolt carrier group
*Video demonstrates the 308 Bolt Carrier Group not the 5
- Investment Cast with Secondary Machining
The PW1 Nickel Boron coating has a rockwell hardness value of 72-75 giving it the same strength as a Nitride BCG but also provides the self lubricating exterior allowing this BCG to run through several thousand rounds without Lubrication or oil
- 8740 Steel annealed
Prime Weaponry Black T-Shirt Small 6.8 SPC This is a Mil-Spec boltThis is our Prime Weaponry Logo T Shirt with designs on front and back.
