12 Gauge Phosphor Bronze Brushes : SHOTGUN Precision made for safe, effective removal of metal fouling and powder residues. Features straight (rather than crimped) wire bristles for more effective cleaning power. Benchrest brushes offer the option of a brass core and threaded coupling

12 Gauge Phosphor Bronze Brushes : SHOTGUN Precision made for safe, effective removal of metalfouling and powder residues. Features straight (rather than crimped) wire bristles for more effective cleaning power. Benchrest brushes offer the option of a brass core and threaded coupling