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.