Yes, this explains the IPSC reason for not allowing the XD. It is valid and reasonable and logical. But what I was pointing out is that when the USPSA changed the DA first shot rule, I was then allowed to compete with my XD. Before the rule change, I was not allowed to use the XD by the same logic. IPSC did not change the rule, so it is still not allowed for IPSC. USPSA changed the rule, and it is now allowed. See the connection? If the rule didn't change, I would not be allowed to use it. I think Springfield did some major policitcal hob-nobbing with the USPSA, to my benefit. But I think, again, that it is in the best interest of the sport because it is a coevolution of rules and technology.