check it out. if u have win rex LT studio. i have open the game files. just find a mod LIKE(law to knife) make sure it is injectable and copy the name to any wep u want to make knife. and paste it over the law mod.like if it says C_M_HND_NM_DF_DOUBLESHOTGUN_CH.LTB just change it to C_M_HND_NM_DF_MOSSBERG_590_MILITARY.LTB then inject into the GUNZ_M_PV_SG.rez. (note) the mossberg 590 military is the stock one u can buy for GP