With all this talk recently on diffferent Sig models and mentioning their year and whatnot - does anyone know a site to lookup information about a Sig pistol based on it's serial number? like build date, location, etc.? I have two Sigs, the one I carry was a certified pre-owned deal I bought at a show, so I don't really have much info on it. The other was a little .22lr Mosquito, which I know was brand spankin' new. I was just curious about my main baby though.