The NBS Lightweight Bolt Carrier Group is a great option for your next AR-Stoner build. This BCG is machined to strict standards. At 14.5 ounces, this is 18% lighter than standard bolt carrier groups. The Nitride finish is slick and will function flawlessly. Featuring a staked gas key, the NBS Lightweight Bolt Carrier Group is drop-in ready.
- Made for 7.62X51 / 308 Cal
- 9310 Hardened Steel Bolt, 17-4 Stainless Steel Firing Pin (Heat treated to H900 Condition)
- The group comes fully assembled with properly torqued and staked gas key
- Black Nitride Finish
- 8620 carrier and gas key.
- Made in the USA
- MPI Tested
- Hardened extractor S7 tool steel.
- Backed by the NBS Lifetime Warranty