WMD NIB-X BCG 450 BUSHMASTER
WMD Guns bolt carrier groups (BCGs) are made with high-performance coatings, leading manufacturing practices and best-in-class materials. With a nickel boron BCG from WMD Guns, you equip your AR for exceptional reliability in virtually any situation.
Specifications:
- Case-Hardened 9310 Steel Bolt
- Hardened, Heat-Treated and Chromed Firing Pin
- NiB-X Coated Cam Pin
- Full-Auto Nickel BCG