The October Country Muzzleloading Thunder Lube Black Powder Patch Lubricant is the best combination of patch lube and blackpowder solvent on the market. Use it for a patch lube and you can fire untold shots without cleaning. Use it as a Blackpowder Solvent and it cleans the bore sparkling bright. All ingredients are water soluble so it's ideal for use with all natural bullet lubes. It is the perfect bore solvent for use with Wonder Lube 1000 or Lube 103. There are no caustic ingredients or ammonia in Blue Thunder to harm the finish on the firearm's stock or barrel. Made in the USA by October Country, a manufacturer of muzzleloading supplies. FeaturesUses no caustic ingredients or ammonia that may harm the finishAll ingredients are water soluble Made by October Country