1 Step Bio Mil-Spec CLP is a bio formula highly penetrating fluid specifically designed to clean, lubricate and protect your firearms and weapon systems. Based on the highest quality synthetic oil and containing anti-corrosion and anti-wear additives, it has been formulated to keep small or large caliber weapons combat ready in the harshest of environments. Performs in temperatures ranging from -51 degrees C to 71 degrees C and withstands temperatures from -54 degrees C up to 150 degrees C. 3 Functions in 1:Cleans all metal parts and removes the propellant powder residuesLubricates, thus reducing friction and wearProtects, against corrosion in all climatic conditions and during storage, thanks to its active water repellent film.