was at range other day and asked a couple of other shooters what they were shooting as didn't want to pick up there brass. was told i was welcome to it with a little chuckle. as i examined brass say all was split from extractor grove to mouth primers were flattened and appeared to have flowed into fireing pin hole. asked weren't they worried shooting 9 mm that hot and was told they were there own defensive rounds. seemed to have a little attitude about my question so let it go just moved further down line. this is not the first time i have seen this and founf a lot of split 9 mm so i wount pick it up any more. it is just to cheap to take a chance. if a standard 9 is not enough why not just buy a bigger gun there are plenty to chose from. 9mm are the only ones i have run up on like this. i must be missing something just can't understand loading ammo that hot.