NBS AR-15 9310 Bolt Assembly Black Nitride
$69.95 0 in
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Specifications
Caliber
MSRP
$69.95
Finish
Black Nitride
Fits
AR-15 mil-spec
Color
Black
Material
9310 Steel
Platform
AR-15
Description
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 - Fully Assembled Bolt - Shot Peened - MPI (Magnetic Particle Inspected) - HPT (High Pressure Tested) - Power Spring Kit - Nitride QPQ Treated - Engraved with MPI/9310