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- Enhanced Ejector
If you're looking for a bolt carrier that's going to hold up against the roughest conditions then this bolt carrier group is the one for you
4340 Steel Cam Pin Nitride QPQ
- Enhanced Firing Pin Retaining Pin
-Black Nitride Coated
6.5 Type II Grendel Nitride Bolt Assembly 223bcg - Enhanced EjectorMade from 9310 Vac Arc Premium Carburizing Steel which has a high core hardness and high fatigue strength unlike standard Hot cold rolled 9310 steels. Fully Assembled Bolt Shot Peened MPI (Magnetic Particle Inspected) Power Spring Kit Black Nitride Coated
