F1 Firearms 5.56mm NATO DuraBolt Bolt Carrier Group – Blue PVD

About this product

This F1 Firearms DuraBolt Bolt Carrier Group manages the firing and extraction cycle in an AR-15 platform rifle. It includes a bolt, bolt carrier, gas key, firing pin, cam pin, and firing pin retaining pin. This component is designed to operate with 5.56 NATO or .223 Remington cartridges.

Key details

• The carrier is made from 8620 steel.
• The bolt is made from C158 steel.
• The bolt has a hardness rating of RC 50+.
• The exterior finish is blue PVD.
• The interior of the carrier group has a nitride finish.
• The bolt carrier group has a full-auto profile.
• The gas key is properly staked with Grade 8 fasteners.
• Each bolt is MPI/HPT tested.
• This component is CNC machined.
• The bolt carrier group weighs 11.6 ounces.
• Its length is 7.5 inches.
• This product is manufactured in the USA.

Fit and compatibility

This bolt carrier group is compatible with AR-15 platforms chambered in 5.56 NATO or .223 Remington. It is designed for drop-in installation into mil-spec AR-15 upper receivers.