The NBS Nickel Boron Bolt Carrier Group is a great option for your next LR-308. Machined to strict mil-spec tolerances, this bolt carrier group is drop-in ready. The Nickel Boron finish provides enhanced reliability and is more resistant to wear. With a 308 Winchester bolt face, this Bolt Carrier Group is ideal for your next LR-308 Marksman Rifle. This .308/7.62 Nickel Boron BCG features an 8620 Tool Steel Carrier and 9310 Carpenter Steel Bolt, with a properly staked forged gas key and Grade 8 Hardware. The bolt is shot peened and hardened then Magnetic Particle Inspected.
Features
- 308 Winchester Bolt Face
- Properly Staked Gas Key
- Drop-In Ready
- Nickel Boron Finish
- Made in the USA
- Backed by the NBS Lifetime Warranty
| Weight | 18 oz |
|---|---|
| Bolt Material | 9310 Steel |
| Cartridge Compatibility | .308/6.5 Creedmoor |
| Finish | Nickel Boron |
| Carrier Profile | M16 |
| High Pressure Tested | Untested |
| Magnetic Particle Inspected | Magnetic Partical Inspected |
| Platform | AR-10 / LR-308 |
| Bolt Finish | Nickel Boron |
| MPN | 17894 |
| UPC | 17894 |














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