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4340 Steel Cam Pin Nitride QPQ
DPMS compatible 308 Bolt Carrier Group made to Mil-Spec standards
Carrier is engraved with "Made in the USA"
- 9310 Vac-Arc Steel Bolt Nitride Coated
This Bolt carrier group will hold up in the harshest conditions and outlast and compete with the best BCG's on the market
AR15/M16 Nitride Bolt Assembly 6.8 SPC 4340 Steel Cam Pin NitrideMade from 9310 Vac Arc Premium Carburizing Steel which has a high core hardness and high fatigue strength unlike standard Hot cold rolled 9310 steels. This is a Mil Spec bolt assembly with enhanced features for those looking to complete a bolt carrier group. This bolt will make sure your gun outshines the competition Fully Assembled Bolt Shot Peened MPI (Magnetic Particle Inspected) HPT (High Pressure Tested) Power Spring Kit Nitride QPQ Treated
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