NiB Complete Bolt Carrier Group – .308 – Nickel Boron without forward assist serrations
Looking for a high-quality bolt carrier for your AR-style rifle? Look no further than our Nickel Boron coated, fully assembled AR .308/7.62mm bolt carrier ready to install and use. Made from top-grade materials and designed for reliable performance, this NiB bolt carrier is a great choice for your rifle. NiB is prized for its hardness, lubricity, and corrosion resistance.
Built from 8620 Steel, heat treated to Army specifications, NiB (Nickel Boron) coating.
Includes:
- NiB Bolt Carrier without Forward Assist Serrations
- NiB Carrier Key
- Firing Pin
- NiB Cam Pin
- NiB Retro Firing Pin Retaining Pin
- Bolt carrier key screws (2)
Bolt Carrier Specs:
- Carrier: 8620 steel
- Cam pin: 4340 Alloy steel
- Carrier key: 4130 Alloy steel
- Army Spec Heat Treatment
- NiB Finish
- Full auto cut only at this time
Bolt:
- C158 Material
- Mil-Spec heat treat
- NiB Finish
Extractor:
- 4140 Chrome Moly
- Machined from bar-stock
- Mil-Spec heat treat
- NiB Finish
SKU: 308-BCA-NB
