![]() However, we believe that we should be able to clean large lots of brass at once without worrying about the machine dying in the process, so when Frankford Arsenal introduced their new rotary tumbler, we had to give it a try. Okay, that is a personal problem and our fault. Vibratory tumblers will quickly wear out if you overload them, which is all too common with those of us who are impatient and want to clean a lot of brass at once. A lot of extra work, if you had cleaned several hundred cases in a single load. As such, we tumbled our fired brass, deprimed them after cleaning and manually cleaned the primer pockets. Not to mention the nuisance of having to pry bits of media from the flash hole. If you put de-primed brass in the tumblers, the media never seemed to clean the pockets. While they did a good job of cleaning the brass, we still had to clean the primer pockets by hand. When vibratory case tumblers arrived on the market around twenty years ago, we decided to switch. They did a fine job, except were pretty noisy and had a tendency to leak or break a belt after extensive use. In the old days, we used rotary tumblers for everything from polishing rocks to cleaning our range brass. Illustration courtesy of Frankford Arsenal, Inc.
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