Break Free CLP is more than just gun oil. Trusted by Agencies and Military around the world, it was the first to pass MIL-SPEC 63460. CLP cleans burnt powder residue and other fouling materials from the gun's bore, moving parts, and exterior. The formula also reduces friction and protects against corrosion. CLP will not break down under extreme temperatures or pressure and is made from the highest-quality synthetic oils. For an all-in-one solution to service and preserve your firearm, use Break Free CLP.