Here is my USP in 40S&W, needless to say I don't shoot it much anymore...lol. Back when the cartridge was first introduced Accurate Powders thought Accurate #5 would be an ideal powder for reloaders. Turns out it wasn't, tho mine is the only USP that did this there were numerous Glocks that blew up using that powder. You can read about it here: http://www.thegunzone.com/glock/tapioca.html
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