I picked up a new M&P .45 4.5" barrel today. It came with three magazines and night sights and the Performance Center Logo on the top of the slide. I have a M&P .40 already and the .45 felt really good in my hand so I bought it. The employees at the Gun Shop didn't know anything about it other then it was "Performance Center" and came with a 3rd mag and night sites. Does anyone know anything more? Is there anything done to the pistol in order to get the performance center logo? I am just curious what if anything is different or do they just throw the logo on random pistols. The model number of the pistol is 150612 which does not match up with anything on the web site. I probably won't get to shoot it until this weekend. Reminds me I need to make some more .45 tomorrow.