Back in the old days we waxed our pistols, and shotguns, and Winchesters, ( a few Marlins), to keep them from rusting. This was of course, Law Enforcement BEFORE, stainless steel handguns, and Mini 14s, and AR15s.
I wish I had thought to buy one of those Model 27 Smiths, and one of those Model 94 Winchesters stamped: Texas Dept. Of Public Safety (THP).