7.62 x 39mm Caliber Bolt Assembly Nitride
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Made 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