If you own a six-shot Smith & Wesson Model 646 .40 revolver, these moon clips are the answer to any extraction problems that you might have had to deal with in the past. We made sure that each moon clip was the perfect size and thickness in order to make loading and unloading as fast as possible without causing any problems. Order a set of these clips today and start seeing what your Model 646 is really capable of. Browse the rest of our store to find speed loaders, revolver holsters, gun belts, sights, and many other revolver accessories for a huge number of revolvers.