This 458 SOCOM Bolt Completion Kit can be used for SOCOM chambered AR barrels and comes with everything other than the carrier. The MPI bolt is made from enhanced 9310 steel and is properly heat treated to exacting specifications. The bolt is shop-peened and magnetic particle inspected. This 9310 458 SOCOM AR bolt comes finished in black nitride and includes a Viton O-Ring.

Bolt
Machined from 9310 tool steel
Heat treated to military specifications
Shot Peened
MPI
Black Nitride Finish
Extractor
Heat treated to military specifications
Shot peened
Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
Black Nitride Finish
Cam Pin
Machined to Mil Spec
Ground to meet military required tolerances
Black Nitride Finish
Firing Pin
Built to Mil Spec

MPN#: 458-9310-KIT