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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
Nitride coating provides not only a high core strength but give the Bolt Carrier group a tough exterior coating
This is a Mil-Spec bolt assembly with enhanced features for those looking to complete a bolt carrier group
8620 Steel Carrier Nitride QPQ
*Video demonstrates the 308 Bolt Carrier Group not the 5
Prime Weaponry Black T-Shirt Small 6.8 SPC The PW1 Nickel Boron coatingThis is our Prime Weaponry Logo T Shirt with designs on front and back.
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