Pro-Shot 37/40mm GL Mop is a soft Pro-Shot cotton bore mop for applying oil or solvent and giving the bore a final wipe or polish after cleaning. The caliber, gauge or extended-length configuration is listed in the product name.
- Product type: Cotton bore mop
- Caliber / gauge: 37/40mm
- Configuration: 40mm
- For applying protectant or completing bore-cleaning work