The WMD Guns NiB-X bolt carrier group (MPN 1-NIBXBCG450BM) is built for .450 Bushmaster with a nickel boron coating for reliability.

Key Specifications

• Chambered/sized for .450 Bushmaster
• Nickel boron (NiB-X) coating
• High-performance coating and materials
• Product type: Bolt Carrier Group

Frequently Asked Questions

What caliber is this BCG built for?
.450 Bushmaster.

What coating does it use?
WMD’s NiB-X nickel boron coating.

Buy the WMD Guns .450 Bushmaster NiB-X BCG

Equip your .450 Bushmaster AR with this nickel boron-coated bolt carrier group from WMD Guns. Ships fast from a Lubbock, TX gun shop in our rifle bolts and BCGs lineup.