ProTech G23 Penetrating oil 1l is a modern and extremely effective cleaning product. is a modern and extremely effective cleaning product. Thanks to its strong cleansing properties it easily reaches even the most difficult areas of the firearm. It removes any residue built during firearm usage. It also dissolves sediments of brass, tambac and gunpowder. Penetrating Oil prolongs firearm life by decreasing friction between its elements. Product is characterized by a very high resistance to oxidation, thanks to which it is able to effectively protect metal surfaces. Our ProTech cleaner is a perfect for preliminary case cleaning – right before the elaboration process.