| Precision-engineered bolt carrier group for specialized long-range cartridges. Proudly Made in the USA. |
M16 Bolt Carrier Group for 6.5 Grendel and 6mm ARC Builds
This M16-profile bolt carrier group is built for the 6.5 Grendel and 6mm ARC cartridges, two chamberings favored by shooters working at extended distances. The Blacknitride+ finish adds corrosion resistance and contributes to easier cleaning, which matters during long-range sessions and higher round counts. It is an option for builders assembling a dedicated upper or replacing a worn carrier group in an existing build. Proudly made in the USA.
Because these cartridges use a bolt face and components specific to the 6.5 Grendel family, confirm your barrel, chamber, and magazine are matched to the same caliber before purchase. Verify fitment with your upper receiver and gas system, and inspect and lubricate the group before first use.
Builders running other platforms can compare the M16 BCG with billet extractor in nitride or the polished nickel boron coated version. For maintenance, the BCG rehab kit covers common wear parts.
Specifications
| Caliber | 6.5 Grendel / 6mm ARC |
| Carrier Profile | M16 Style |
| Finish | Black Nitride |
| Carrier Material | 8620 Steel, Heat Treated, Final Grind Before Plating |
| Bolt Material | 9310 Steel, Heat Treated, Shot Peened, MPI |
| Bolt Face | 6.5 Grendel |
| Gas Key | Billet 4130 Steel, Grade 8 Fasteners, Properly Staked |
| Cam Pin | 4140 Steel, Heat Treated |
| Extractor | Billet 4140 Steel, Phosphate Coated |
| Extractor Hardware | Extractor Insert and Viton O-Ring Included |
| Firing Pin | 8640 Steel, Hard Chrome Plated |
| Origin | Made in the USA |
Specifications
| Caliber | 6/6.5 |