1. Start the Editor.
2. Any map.
3. Insert a BLUFOR Rifleman as Player. (Any unit as long they have a pistol)
4. Click on the Preview button.
5. Crouch down("X" key on default).
6. Switch to the your pistol.
7. Holster down your pistol(Double tap "Left Ctrl" on default).
8. Try to raise your pistol.
(Notice that you can't. The only way you can raise it is to press the fire weapon button. Which is "Left Click" on your mouse.)