10mm / .40 Cal. Stainless Steel Bore Brush - For severely leaded, fouled, or rusted bores, the aggressive cleaning action of a stainless-steel brush can help get them clean.
Very aggressive, for extreme cases of leading and fouling. Not recommended for regular use.
• Stiff Stainless Steel Bristles
• Excellent for the removal of heavy fouling
• #8-32 threads
• Made in USA