Nice choice of reference. Seems like everyone and their brother has done a 1911, but atleast this one has quite a few unique looking bis. So cool ref! Some tips: 1. Your material for the high poly is a bit too glossy. It doesn't have a wide enough highlight to actually spread across the model and makes the edges and…
On the right side of your screen in the UV options there is a checkbox called "normalize map", turn that off. Also if you are doing a flatten mapping or something similar, it will also give that option, always make sure that is turned off. Now it won't try to fit it in the box (and thus not squashing it to fit in there).…