Subject gun is a new XD9 Tactical. Gun fired, slide retracted, jammed. Here's what I saw: Fresh round butted up against the backside if the just fired case which was still fully in the chamber. I'm sure the spent case backed out then went back in followed by the fresh round. I guess this is a failure to EJECT more than a failure to EXTRACT. What causes this? Is it a timing issue or just a fluke or what? :?