The "SPECIAL LINE"™ BRASS CORE BORE BRUSH is designed to prevent scratching the barrel with its one-piece, looped and wound brass shank and no-scratch brass coupling.
It features high-quality phosphor bronze bristles for effective cleaning and long-lasting durability.
Suitable for 17 Caliber (.172) rifles with 5-40 TPI, the brush is specifically tailored for precision firearms that require careful maintenance.