+7.5-15% Weak Spot Damage. Weakspot Kills also ignore Enemy Hit Mass.
+1-2 Extra Chained Energised Hits and +2.5-10% Impact on Energised Hits.
+4.5-6% Critical Chance for each expended round in your weapon (resets on reload).
+4.5-6% Strength on Chained Weak Spot Hit (Any Target). Stacks 5 times.