My father was a mechanic. He swore by all Lucas products, especially there additives. I have followed suit. I use their Gas Treatment religiously. My last truck was a Dodge Ram. At 150k miles it started leaking a little out of the front and rear seals. It also had started burning a little oil. I bought a bottle of their Oil treatment/stabilizer and added it instead of a quart of oil when I changed my oil. It not only stopped the seal leaks but the truck stopped burning oil and I wound up driving it until it had 440k miles on it before selling to a friend. I've been die hard Rem Oil user for years, but when my supply runs out, I will be switching to the Lucas Gun Oil. I really don't care about the cost. With only a few drops per gun per cleaning, the cost is not important if it protects my guns.