DEMO Walker Defense Research Nickel Boron Bolt Carrier Group 5.56x45mm NATO/.300 AAC Blackout NI-B-556

DEMO Walker Defense Research Nickel Boron Bolt Carrier Group 5.56x45mm NATO/.300 AAC Blackout NI-B-556. The bright satin finish serves as a functional surface that provides smooth reliable operation while offering excellent wear resistance and notably easier cleaning. Each BCG undergoes rigorous small-batch quality control throughout production. Walker Defense Research hand-matches components conducts High Pressure Testing (HPT) and performs Magnetic Particle Inspection (MPI) of each bolt. The gas key features enhanced staking using premium OCKS screws from Michiguns ensuring reliable operation under sustained use. The Nickel Boron BCG is compatible with direct impingement 5.56mm .223 Rem and 300 BLK AR-15 platforms. The polished nickel boron surface provides excellent wear resistance and smooth operation making this BCG particularly suitable for users seeking enhanced reliability in demanding conditions. Specifications for Walker Defense Research Nickel Boron Bolt Carrier Group: Manufacturer: Walker Defense Research Finish: Polished Satin Fabric/Material: 9310 Steel Caliber: .223 Remington 5.56x45mm NATO .300 AAC Blackout Gun Make: AR Platform Gun Model: M16 M4 AR-15 Hand: Right Bolt Material: 9310 Steel Carrier Material: 8620 Steel Coating: Nickel Boron Country of Origin: USA Gun Type: Rifle Features of Walker Defense Research Nickel Boron Bolt Carrier Group Hand-Matched Component Fitment High Pressure Tested (HPT) Magnetic Particle Inspected (MPI) Bolt Enhanced Gas Key Staking with OCKS Screws Small-Batch Quality Control Smooth Low-Friction Surface Superior Wear Resistance Enhanced Cleaning Properties Package Contents: Walker Defense Research Nickel Boron Bolt Carrier Group Walker Defense Research NI-B-556: Nickel Boron Bolt Carrier Group 5.56x45mm NATO/.300 AAC Blackout