+2.5-4% Bonus Critical Chance on Chained Hit. Stacks 5 times.
+25-40% Cleave on Hit. Stacks 5 times.
+10% Critical Chance for every 0.3-0.45 second while aiming. Stacks 10 times. Discharges all stacks upon firing.
+30-60% Rending on Critical Hit.