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You asked for it, you got it. I dug through my 9mm ammo and found two boxes of Rem UMC, 115gr. I grabbed 7 rounds and headed out in the rain to see how they do, as I started loading the mag I realized I only grabbed 6 rounds so not wanting to walk the 130 feet back to the house, this will have to do. Full mag inserted into pup, rack the slide and one is now in the pipe, six squeezes of the trigger and six empties are now on the ground. If it had not been raining I would have tried a couple of mags. I believe I fired the UMCs before but could not remember for sure.