Breakthrough Clean BT40NBB Nylon Bristle Bore Brush .40

Description

Built for shooters who put rounds downrange and need serious cleaning power, this Breakthrough Clean bore brush features a brass core wrapped in stiff nylon bristles that attack heavy fouling effectively. The #8-32 thread pattern fits standard cleaning rods, making it a straightforward addition to your maintenance kit. Whether you’re breaking in a new .40 or keeping a duty gun running clean, the nylon construction won’t damage your barrel while delivering the aggressive scrubbing action required for carbon-heavy loads. This is the brush to grab when your bore needs more than a quick pass.