545 round of WWB without a single hiccup....and that was WITHOUT a thorough cleaning beforehand. Two friends and I went out and pretty much shot for 2+ hours straight. They both loved it. The slide release has loosened up considerably. Now I just need to printout the "how to" .pdfs, learn how to really strip it down and give it a good cleaning. Oh, and sign up ASAP for a course or two so I can get the most out of it.