Call it what you want. Wd40 is a poor choice for long lasting protection for guns. It is water displacing formula 40, hence wd40 as a name. Not a long lasting oil for metal protection. I tried in on a table saw surface and it did not last long. It is a blend of very light machine oils.
Profile photo for Joe Webster Joe Webster Chief Technical Officer at Stabilization Technologies LLC (2000–present)Author has 1.9K answers and 1.2M answer views1y
WD-40 is composed of many different chemicals, and only about 10-20% of these are lubricants. Even then this small amount is only a very light mineral lubricant. Most of the other components are intended to help penetration, but are volatile and are intended to evaporate. Its defined as a petroleum-based solvent that evaporates, leaving behind a non-volatile lubricant. So, 15 minutes is the lenght of time for the solvent to evaporate, leaving of course a nice finish. The recommended shelf-life is 5 years after buying the item
Best youtube video that compared many different type of protection. WD-40 was near the bottom. You can find a lot of videos on youtube that do a good job or real testing of different products.
It is your gun, do what you want. I used WD-40 for years but have not used it for a gun for 20 years or more. I do you it if I have to cut and clean rust off a table saw or joiner cast iron surface. Then a good paste wax to follow. WD-40 will not protect them for long. I learned that lesson the hard way.
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