AR-15 .458 SOCOM Nitride Bolt Carrier Group

Description

Specially designed 458 Socom bolt carrier group developed for use with 458 Socom upper assemblies.
It is highly recommended to use our bolt with 458 Socom uppers/barrels to eliminate feeding and extraction issues that are common to 458 Socom’s that do not use this bolt.
Carpenter 158 steel
Shot peened bolt
8620 Carrier
NITRIDE Treated Carrier (AUTO)
NITRIDE Treated Gas Key
Gas Key Hardened to USGI
Specifications
Grade 8 Hardened Fasteners
Key Staked Per Mil-Spec
Tool Steel Extractor
Extractor Spring
Extractor Insert
For use with 458 SOCOM