Originally Posted by Ri0T
It's probably the back shells aren't lined up correctly with the loader's floor. Settings should be stock, though I've tuned my Prophecy settings to work ideally with my Marq, I know that I can fix any problems I encounter by doing so. If you're not confident, don't do it. Or, return it to stock after you screw with it if it isn't working.
He's right, I fix prophecy's all the time because they aren't put back together properly.