AR-15 9310 Bolt Assembly - Black Nitride
$52.95 0 in
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Description
AR-15 9310 Bolt Assembly - Black Nitride Made from 9310 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 Features Fully Assembled Bolt Shot Peened MPI (Magnetic Particle Inspected) HPT (High Pressure Tested) Power Spring Kit Nitride QPQ Treated Engraved with MPI/9310