replace the file in these directories



update\x64\dlcpacks\patchday2ng\dlc.rpf\x64\models\cdimages\weapons.rpf\w_ex_grenadefrag.ytd

update\x64\dlcpacks\patchday3ng\dlc.rpf\x64\models\cdimages\weapons.rpf\w_ex_grenadefrag.ytd

update\x64\dlcpacks\patchday2ng\dlc.rpf\x64\models\cdimages\weapons.rpf\w_ex_grenadefrag.ytd

update\x64\dlcpacks\patchday3ng\dlc.rpf\x64\models\cdimages\weapons.rpf\w_ex_grenadefrag.ytd

x64e.rpf\models\cdimages\weapons.rpf\w_ex_grenadefrag.ytd