Veteran
7.5-15% Weak Spot Damage. Weakspot Kills also ignore Enemy Hit Mass.
5-8% Strength for 4.5s on Kill. Stacks 5 times.
1-4 Burn Stack(s) on Critical Hit to a maximum of 3-12 Stack(s).
Gain Suppression Immunity for 2.4-3.6s on Weak Spot Hit.
I mainly use smoke granades to protect myself and my allies when under heavy fire, and generally before using my ult. It is also very useful when you're trying to fix interrogators or plant things, as it also briefly stuns enemies in a small AOE.
I use the rifle shown above mainly for my personal taste, but it should be noted that other weapons, such as the revolver, the laspistol or the infantry assault rifles work very well with this build.