12.5-20% Critical Chance for 6s on successful Dodge.
45-60% Finesse Damage for 2s on successful Dodge.
30-60% Rending on Critical Hit.
10% Critical Chance for every 0.3-0.45 second while aiming. Stacks 10 times. Discharges all stacks upon firing.
This is neither optimised nor meta (I think, not following any meta builds).
This simply works for me for the time being. I play this across all difficulties, including Havoc.