welcome to my guide!
Hey,these weapons viewmodels settings will make your gun smaller and the running seem different like in 1.6 or Source . These are closest values to the legacy 1.6/Source weapon origins,for those who was playing ot still palying but new to global offensive and you dont like regular viewmodel Why? So you have a better view of the enemies of course!.
sorry for bad english

some screenshots to compare that 1.6 viewmodel look same in global offensive
1.6 just write this in console and u will get it
viewmodel_fov "65"
viewmodel_offset_x "2"
viewmodel_offset_y "2"
viewmodel_offset_z "-2"
viewmodel_presetpos "3"
cl_bob_lower_amt "5"
cl_bobamt_lat "0.1"
cl_bobamt_vert "0.1"
cl_bobcycle "0.98"
cl_viewmodel_shift_left_amt "0.5"
cl_viewmodel_shift_right_amt "0.25"

some screenshots to compare that source viewmodel look same in global offensive

Counter-Strike:Source
viewmodel_offset_x 2
viewmodel_offset_y 2
viewmodel_offset_z -2
viewmodel_fov 65

____TRY IT OUT_______
viewmodel_fov 68
viewmodel_offset_x 3
viewmodel_offset_y 3
viewmodel_offset_z -3
cl_bob_lower_amt 10
If you want a slightly greater visibility in CS:GO, you should really try this one viewmodel. You can say that the viewmodel is what you can see of the gun that you are holding. In this case,i want the gun to full as little as possible on the screen.

Note: the viewmodel settings might reset everytime you start the game. To prevent this from happening, add this to your autoexec file:
viewmodel_presetpos "0"
host_writeconfig
This will make your autoexec overwrite anything in the config file every time you load the game.
leave a comment what shuold i add in this guide
NOTE IF YOU WANT MAKE ORIGINAL CSGO VIEWMODEL WRITE IN CONSOLE viewmodel_prepos 3 .

find perfect viewmodel for yourself!+map+video
https://m.youtube.com/watch?v=IXzznkkTlxA
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