+2.5-4% Bonus Critical Chance on Chained Hit. Stacks 5 times.
+4-10% Strength for 2s on Hit (Same Enemy). Stacks 5 times.
+70-100% Critical Weak Spot Damage.
+10% Critical Chance for every 0.3-0.45 second while aiming. Stacks 10 times. Discharges all stacks upon firing.