Do I see crouch-glitch at 0:49? 
JAJA i thought you know lots about vcmp and stuff, but anyways, shots mostly gets cancel like in the video part 0:49, when you hold sprint key and you are about to shoot or in shooting state, while you get hit by uzi/ing right before the bullet comes out from yo gun.
It also happens, when you are holding sprint key and in shooting state, while you slightly get bumped by second playa. Check video parts 0:03, 2:03 and 3:39. It looks like i have canceled the shot via c key but its actually not that.
EDIT: If a player is canceling shot through crouch + sprint button, then you will notice player model's slight attempt to crouch like slight bending, while sprint key breaks the action and cancels the shot. You can clearly see if you watch my video in slow motion that there's not even a slightest crouch attempt, so technically its not c-glitch.
VC-MP: 
