+7.5-15% Weak Spot Damage. Weakspot Kills also ignore Enemy Hit Mass.
+3.5-5% Strength for 3.5s on Hit. Stacks 5 times.
+5-8% Strength for every 10% of magazine spent during continuous fire. Stacks 5 times.
Up to +2-5% Strength, scaling with remaining Ammunition. Stacks 5 times.