Walker Defense Research Nickel Boron Bolt Carrier Group NI-B-556
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Walker Defense Research Nickel Boron Bolt Carrier Group NI-B-556. Nickel boron coating provides smooth operation, wear resistance, and easier cleaning. Finish: Polished Satin. Fabric/Material: 9310 steel. Carrier Material: 8620 steel. Bolt Material: 9310 steel. Calibers: 5.56x45mm NATO, .223 Remington, and 300 AAC Blackout. Features: Hand-matched components, High Pressure Testing (HPT), Magnetic Particle Inspection (MPI). Gas key staking with OCKS screws. Compatible with AR-15 platforms (M16, M4, AR-15).
Specifications
- Manufacturer:
- Walker Defense Research
- Category:
- bolt-carrier-group
- Platforms:
- AR-15
- MPN:
- NIB556
- Required Component:
- Yes
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$169.99
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