Luth-AR has launched a new Nickel Boron .308 complete bolt carrier group, designed for high-quality performance in AR-style rifles. Made from premium materials, this fully assembled bolt carrier features a NiB coating for durability, corrosion resistance, and lubricity. It includes key parts made from various heat-treated steels to meet Army specifications.
Luth-AR states “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.”
KEY SPECIFICATIONS:
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
SOURCE: https://luth-ar.com/