Tipton bronze brush caliber 10 mm /.40, 3 pcs, external thread 8-32. The bristles are relatively fine so as not to damage the barrel bore, but also hard enough to remove lead and brass deposits.
Suitable for calibres:
10,4 x 38 Swiss Rimfire 10,75 x 68 Mauser .40-60 Marlin .401 Winchester .404 Jeffery .405 Winchester .408 Chey Tac .400 Nitro Express .416 Barrett .416 Remington Magnum .416 Rigby .416 Ruger .416 Weatherby Magnum .44 WCF