Equipment Exchange

.458 SOCOM BLACK NITRIDE BOLT COMPLETION KIT - MPI
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