Product Description
7.62X39 Bolt Carrier Group AR-15 | Nickel Boron NIB Milspec BCG
Our AR-15 Bolt Carrier Groups are American Made and machined by manufacturers of mil-spec AR-15 components.
Product Details
- Platform: AR-15
- Calibers: For use with 7.62x39, 12.47x42(50Beowulf), 9x39, 6.5 Grendel Type 1(NOT Type 2)
- Hand Orientation: Right
- Material: 9310 Alloy Steel
- Color: Nickel Boron
Features
- M16 auto profile carrier machined from aircraft and bearing quality 8620 steel, properly heat-treated, precision ground and completed with nickel boron finish for durability and corrosion-resistance
- Bolt machined from a 1-piece of aircraft/bearing quality 9310 steel, properly heat-treated, precision ground, shot-peened, MPI tested and completed with nickel boron finish.
- Firing pin machined to Mil-Spec print from 8740 steel, precision ground and chrome-plated for durability and corrosion-resistance
- 1-piece billet, fully machined enhanced extractor with a nickel boron coating for increased reliability and corrosion-resistance
- Nickel boron cam pin
- S7 tool steel ejector and extractor retaining pin for enhanced strength and durability
- 4130 steel gas key with nitride finish, precision staked using a hydraulic staking machine for durability and secure fastening
- Carrier key screws with T25 drive, grade 8 and proper heat treatment for durability and secure fastening
