MW2 GOLDEN MP5k

Go to your Modern Warfare 2 install folder and look for iw_07 iw_11 and make of the two files iw a copy (back up)
then you open it the file goes iw07 with winzip or 7zip to images and then add the weapon_mp5k_col.iwi file (for skin )
then you must be one or the ~weapon_mp5k_spc-rgb&weapon_m~cb4e1638.iwi insert because file in IW11 finished with images

have fun