+5-8% toughness on Chained Hit.
+7.5-15% Weak Spot Damage. Weakspot Kills also ignore Enemy Hit Mass.
-7-10% Movement Speed Reduction for every 5% of magazine spent during continuous fire. Stacks 5 times.
+7-10% Strength for every 4 Single Target Hits. Lasts 2s and Stacks 5 times.