Otis FG325NB Bore Brush Set 6mm/250/243/257 Cal 8-32 Thread 2″ Long Bronze/Nylon Bristles 2 Per Pkg”

Otis brushes have a proprietary Tufcor core wire that is corrosive-resistant with a tighter twist for better bristle retention and brush life. Includes: 1 Nylon Brush/ 1 Bronze Brush. Cleans caliber 6mm/.243/.250/.257 Cal.