Do note that the "old timey" instructions to leave a thin coat of oil (never grease) in your bore for STORAGE, also told you to run dry patches through the bore until they came out clean, BEFORE shooting.
Grease in the barrel, ok, put cosmoline on the rest of it, and store it for 30+ years. Otherwise, no...
Grease in the barrel, ok, put cosmoline on the rest of it, and store it for 30+ years. Otherwise, no...