cg_muzzleFlash
cg_muzzleFlash it displays or not the “fire” of your gun when firing on the shooter or other individuals.
Usage:
/seta cg_muzzleFlash 1
Values: 0 (don’t show) / 1 (show)
Note:
Is similar to b_muzzleFlash
I am not sure whether this is actually working in Enemy Territory or not.