Small update this gun. Do not forget that when combined with its modifications, you need to copy lines from textures.ltx file (called wpn_colt1911 and wpn_sil_45) in your textures.ltx file. This is necessary in order to bump maps worked and displayed. Otherwise, the model will look very ugly.
Go see the original game model. It is even more. I can not do anything in this case, to do less - it means most likely to have problems with incorrect display of animations on the model. Disproportionation - is one of the main problems GSC