AR-15 Bolt Nickle Boron Bolt Carrier With Gas Key

Manufactured from 8620 Alloy Steel, this Mil-Spec dimensioned carrier is guaranteed to work with your existing components, or compliment your new build.

• 8620 Alloy Steel

• Heat Treated and Dimension to Mil-Spec 

• Nickle Boron Finish

• Forward Assist Notches

• Quick Conversion with your Existing Parts.

Gas Key

• 4140 Heat Treated Steel

• Chrome Lined Bore

• Mag Phos Finish

• Torqued and Staked