J. Dewey Rods B-20PNA Dewey 20 Caliber 5-40M Bore Brush 3-Pack

Description

Product Overview

J. Dewey Rods Dewey 20 Caliber 5-40M bore brush is built for thorough, rifling-friendly cleaning with nylon bristles wrapped around an aluminum core and ferrule. This Copper Eliminator-style design helps prevent misleading blue-green patch staining when using ammonia-based solvents, so you can tell when your bore is truly copper-free.

Key Features

• Nylon bristles for strong scrubbing while staying gentle on rifling
• Aluminum core and ferrule to help prevent ammonia-solvent blue-green false-positive staining
• 5-40M male threads for compatibility with 5-40M bore cleaning rods
• Copper-free brush construction helps avoid confusion during copper fouling checks

Upgrade your small-caliber cleaning setup with a rifling-safe Dewey 20 bore brush designed to keep results clear and consistent.