The simple fact is that only S&W magazines should be trusted in the 645/4506. MecGar, for whatever reason, does not seem interested in producing magazines for the Model 39/39-2 or the 645/4506. Used factory magazines are fetching $50-$60 these days, but if the pistol is for serious use, should a higher priced, fully functional magazine even be a discussion?

I look at the magazine as an investment. It provides reliable function and other than the very first version of the Model 645 magazine, the only thing that ever seems to wear or fail is the magazine spring.

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VCDL, GOA, NRA