Nordic bolt carrier groups for NC-10 (AR-10 platform) and NC-15 (AR-15 platform) uppers and rifles.
- Slabside full-mass carriers machined from 8620 steel
- Carriers and bolts black nitride finished for increased wear-resistance and durability
- Bolts machined from 9310 steel, shot peened, and magnetic particle inspected
- Properly torqued/staked gas key fasteners