- Tightly woven cotton patches are resistant to burning.
- For use with a round ball of approximately .010" less than caliber, example would be a 50 caliber rifle uses one of these patches with a .490" diameter lead ball.
- Please check with your firearm's manufacturer for recommended lead ball and patch sizes.
Thompson Center Round Ball Patches are 100% cotton and pre-lubricated with Natural Lube 1000 Plus. All patches are biodegradable, and non-toxic. Their uniform thickness produces consistent velocities. Package of 100.