3-6 Bleed Stacks from Special Attacks.
40-100% Critical Chance on your next Melee Attack after Special Attack Kill.
4.5-6% Critical Chance for each expended round in your weapon (resets on reload).
10% Critical Chance for every 0.3-0.45 second while aiming. Stacks 10 times. Discharges all stacks upon firing.