.22 RimFire bullets are usually coated with either a wax or petroleum based lube OR a “copper wash”. And, lead itself has some “lubricating” properties against steel. Given the relatively low powder volume and pressure, there is a lot less heat produced when compared with CF. Carbon deposits can accumulate just forward of the chamber and I am told, can affect “match” level accuracy which should not be an issue in the gopher patch...but that is not a good reason to ignore it indefinitely. IMO it is important (for me) to clean the bolt/slide areas on my semi about every 500 rnds to insure proper function. With a bit of lube in those areas, they attract a lot of powder fouling.
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Old Guys Rule
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