The Bore Tech BTCU26016 features the Cu 2 Copper cleaner, an odorless, non-hazardous, and biodegradable solution free from ammonia. The product is meticulously engineered to eliminate any trace of copper fouling from your firearm bore effectively.Moreover, our cleaner comes enriched with a rust-preventive component that not only safeguards but also conditions the firearm bore. This makes it an excellent choice for different types of barrels including steel, stainless steel, or lined barrels. Experience a cleaner and better-performing firearm with the Bore Tech BTCU26016 Cu 2 Copper cleaner.