- .338-.340 Caliber
- Brass weight on the pull cord is stamped with size
- Nylon cord attached directly to the bronze scrubbing brush
Hoppe's BoreSnake VIPER, Everything you love about the BoreSnake plus better cleaning and superior strength. - Brass weight on the pull cord is stamped with size - 50% more brush cleaning power than the BoreSnake - Cone-shaped bore guide on the leading end - Nylon cord attached directly to the bronze scrubbing brush - Lubrication zone