Specialized additives in motor oil, like Synthetic Motor Oil, assist it to give great lubrication for your guns. This makes it ideal for use as an oil for cleaning guns. It will support long-term reliability and smooth operation of your guns.
You may oil your rifle using motor oil, according to the best gun lubricants. However, since legitimate gun oil also contains rust inhibitors, while the majority of motor oil does not, this might not be the best choice.
So before using it, take into account your situation. It's unquestionably a wonderful solution for the operating bits within the pistol, but if you're keeping it, you might still want to put gun oil on the outside.