Description
Phosphor Bronze Brushes Bronze brushes are made with military specification phosphor bronze filament and are available in 16 different calibres or gauges from .17 to 8 bore. Larger calibres have oval core wires for strength and durability. Calibres Available: Model # PB22 – .224 Cal Model # PB240 – .243/6mm Cal Model # PB270 – .270/7mm Cal Model # PB30 – .30 Cal Model # PB35 – .35 Cal Model # PB45 – .45 Cal Model # PB40/410 – .40 Cal/410 Gauge Model # PB50 -.50 Cal