Bisley Phosphor Bronze Brush

These phosphor 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. A shortened .38 calibre RV6 revolver brush is available for cleaning the frame aperture of .38/.357 revolvers without crushing the bristles.