AR-15 9310 Bolt Assembly - Black Nitride
Lowest Listed Price
$52.95
MSRP
$52.95
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Updated
Sep 2, 2026
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Specifications
Brand
MPN
51015
Description
AR-15 9310 Bolt Assembly - Black NitrideMade 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 competitionFeaturesFully Assembled BoltShot PeenedMPI (Magnetic Particle Inspected)HPT (High Pressure Tested)Power Spring KitNitride QPQ TreatedEngraved with MPI/9310
