Subscribe to download
Violet Spade - Survivalist

Subscribe , restart the game and move the BrewedPC folder from
Documents\My Games\KillingFloor2\KFGame\Cache\1485498253\
or
SteamLibrary\steamapps\workshop\content\232090\1485498253\

To
Documents\My Games\KillingFloor2\KFGame\

Delete Survivalist's weapon folders in
Documents\My Games\KillingFloor2\KFGame\published\BrewedPC\Packages\Weapons\

Subscribe , restart the game and move all weapon folders from
Documents\My Games\KillingFloor2\KFGame\Cache\1485498253\0\Published\BrewedPC\Packages\Weapons

To
D:\SteamLibrary\steamapps\common\killingfloor2\KFGame\BrewedPC\Packages\Weapons
/// Remember to bacckup your files first ///

Just replace those skin files with your backup