Guntec USA AR .308 Bolt Catch Screw Heat Treated

Guntec USA AR .308 Bolt Catch Screw Heat Treated. 308 Caliber Lower Receivers Heat Treated Specifications for Guntec USA AR .308 Bolt Catch Screw: Manufacturer: Guntec USA Color: Black Caliber: .308 Winchester Gun Model: AR-10 Package Contents: Guntec USA AR .308 Bolt Catch Screw GUNTEC USA 308-SCREW: AR .308 Bolt Catch ScrewHeat Treated