Breakthrough Clean Technologies Suppressor Cleaner is a water-based, ammonia-free cleaner that uses a proprietary blend of detergents and surfactants to remove heavy carbon, lead and copper build-up from your suppressor, muzzle brake, compensator, and flash hider.Features : Removes carbon, lead and copper fouling 100% Petroleum free Aluminum, stainless steel and titanium safe Virtually odorless and user-safe For best results, soak suppressor in cleaner for 8-24 hours Also works on muzzle brakes, compensators and flash hiders