Was going to shoot today and on my way when it started to pour...oh well. Been meaning to show you my open class 9mm USP. I built it myself and no I am not in the business and have no intention of doing it for anybody else. I made the titanium comp which screws to the stock threaded barrel of the USP tactical. It shoot major loads no problem, actually it needs a major load to function reliably. The weight of the comp even as light as I could make it delays slide release with normal loads so it doesn't eject properly all the time. I tried lighter springs but it just functions better with a standard spring set and major loads. You probably wonder about the magazines. I use the white 18 rounder with an extended base pad so it carriers 20 rounds. I made the ones in the picture from 30 round magazines they are cut down to the legal 170mm limit and now hold 25 rounds 26 If you push it which I don't.
Your board won't let me post pictures from Photobucket, your loss.