Sorry if the title is a little misleading. I don't have a photo of the gun, it was at the local gun shop. It is a 5 inch Springfield Armory Stainless Steel .45 auto. The top of the slide is ported (supposedly factory ported), and the barrel has porting holes also. I couldn't find it on the SA website, and am wondering if this is a factory port job. The gunshop owner said he took it in on a trade, and asking price is $579.00. Does anyone have any knowledge about this gun? Does SA offer a ported weapon? Is this price out of line for the gun in excellent condition with two mags?