Walker Defense Research Research Titanium Bolt Carrier Group BCG 5.56mm/.300 AAC Blackout TI-556. The bolt itself now features a nickel boron coating for heat dissipation ease of cleaning better lubricity and enhanced reliability. This BCG is...
Walker Defense Research Research Titanium Bolt Carrier Group BCG 5.56mm/.300 AAC Blackout TI-556. The bolt itself now features a nickel boron coating for heat dissipation ease of cleaning better lubricity and enhanced reliability. This BCG is...