OTIS #50 PREMIUM BORE CALIBER CLEANING BRUSH IN REUSABLE TUBE.

OTIS #50 PREMIMUM BORE CALIBER CLEANING BRUSH IN REUSABLE TUBE. SIZES: #50 Brush. FITS: .50, .12.9MM BARRELS. These Otis rifle brushes come in a transparent tube with each brush and tube stamped with the caliber to help you keep them organized. The brushes are precision thread and filled to the end, while the stems are cold welded to the core.