AR-15 .458 SOCOM / .450 BUSHMASTER Nitride Bolt Carrier Group – MPI Tested

AR-15 Line

AR-15 .458 SOCOM / .450 BUSHMASTER Nitride Bolt Carrier Group – MPI Tested

Upgrade your big-bore AR-15 build with this robust AR-15 .458 SOCOM / .450 BUSHMASTER Bolt Carrier Group (BCG). Designed to deliver exceptional reliability and performance, this BCG is built from high-quality materials and features a durable Melonite Nitride finish for enhanced corrosion resistance and longevity.

Key Features:

• Bolt Carrier: Made from 8620 steel, precision machined and heat treated to withstand high pressures.

• Bolt Head: Crafted from tough 9301 steel, designed to handle the demanding loads of the .458 SOCOM and .450 Bushmaster cartridges.

• Finish: Melonite Nitride finish provides superior wear and corrosion resistance.

• Bolt Face: .472 bolt face, compatible with .458 SOCOM and .450 Bushmaster rounds.

• Fully Assembled: Comes complete with a properly staked gas key, cam pin, firing pin, and firing pin retaining pin.

• Magnetic Particle Inspected (MPI): Each bolt is thoroughly MPI tested for flawless performance and reliability.

• Full Auto Carrier Profile: Enhanced durability and smooth operation.

This bolt carrier group is designed for shooters who demand a reliable and long-lasting BCG for their AR-15 .458 SOCOM or .450 Bushmaster build. Made in USA.