The "SPECIAL LINE"™ BRASS CORE BORE BRUSH by BROWNELLS is designed for 10mm, 40-41 caliber firearms and is built to prevent barrel scratching with its brass shank and coupling.
It features high-quality phosphor bronze bristles for effective cleaning and durability, ensuring long life and thorough scrubbing.
The brush is available in a 3-pack, with specific overall lengths and thread types for different calibers, ensuring proper fit for handguns and rifles.