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Walker Defense Research Nickel Boron Bolt Carrier Group 5.56x45mm NATO/.300 AAC Blackout
In StockSave 8%

Caliber

223/5.56

Type

parts

Last Seen

May 20, 2026

Walker Defense Research Nickel Boron Bolt Carrier Group 5.56x45mm NATO/.300 AAC Blackout

Sold byOptics PlanetPosted Apr 27, 2026

$169.99

$184.99

You save $15.00 (8% off)

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Walker Defense Research Nickel Boron Bolt Carrier Group 5.56x45mm NATO/.300 AAC Blackout. 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 feature