/server.cfg example lines to make practice easier (requires server admin):
Start a listen server: Open console and type: cs 16 no recoil console commands hot
cl_lw 0
If you are looking for a command to simply "delete" recoil, you are out of luck unless you are playing offline with cheats enabled. /server
For the record, the "hacks" people look for usually involve: Start a listen server: Open console and type: cl_lw 0
Do not try to use these in online servers (like Steam). You will be banned instantly by VAC or server admins.