Learn more ›Gun cleaning solvents cut through powder residue, carbon fouling, copper and lead buildup, and more to keep your firearms operating smoothly. The best way to break through all the grime and residue from shooting is to use the best gun solvents possible. What To Consider When Choosing Gun Cleaning SolventThe variety of gun solvents available for purchase varies as widely as the number of different guns you can choose to buy. But how do you separate good gun cleaning solvents from the best gun cleaning solvents for you? The biggest gun cleaning mistake you can make is simply not cleaning your gun.