7.5-15% Weak Spot Damage. Weakspot Kills also ignore Enemy Hit Mass.
3.5-5% Strength for 3.5s on Hit. Stacks 5 times.
4.5-6% Critical Chance for each expended round in your weapon (resets on reload).
30-60% Rending on Critical Hit.
Crucian or surgical as preferred on revolver.
Throw smoke before you need it and put it where you know you'll get stuck in, specialists will present themselves to you for free.
make sure to ping and kill bombers especially, and voc at melee elites.