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I have reloaded them 5-6 times, they hold up fairly well, but the Fiocchi primers are larger, so I use only Fiocchi primers. As well, I use overshot cards with HS or Federal wads, to get the crimps to seal, as the factory wads are slightly longer.
And with very few 28 gauge shooters that reload, where the OP lives, he will likely have to ship the hulls, if he finds a buyer. By the time you pay shipping, it doesn't leave much.