Good product - M-Pro 7 Copper Solvent Bottle

Creates a powerful system when combined with M-Pro7 Gun Cleaner. Gun cleaner removes carbon, which typically slows the copper etching process. Copper Remover etches faster than standard ammonia based products, which allows the gun cleaner, to penetrate under the copper and remove it even faster. Works up to 4 times faster than standard copper removal systems. Ammonia free and virtually odorless. Non-hazardous, non-flammable. Completely safe on bore-steel. M-Pro7 system (Gun Cleaner and Copper Remover) conditions the bore so copper does not build up as quick.