These cleaning brushes are built tough for large-bore firearms, featuring an exclusive 'form-through' shank design that keeps the coupling firmly in place. Combined with rugged 10-32 thread couplings and high-quality brush materials, they deliver unbeatable performance with Dewey's large-bore coated rods.

• Phosphor bronze bristles, known for their superior conductivity and corrosion resistance, are engineered to optimize performance in demanding electrical and mechanical applications
• Precision-engineered steel, meticulously looped and expertly wound to form a robust shank structure
• 10-32 unified thread standard (UTS) male thread