7.5-15% Weak Spot Damage. Weakspot Kills also ignore Enemy Hit Mass.
2.5-4% Bonus Critical Chance on Chained Hit. Stacks 5 times.
5-8% Strength for every 10% of magazine spent during continuous fire. Stacks 5 times.
Direct hits apply 1-4 Stacks of 1% Brittleness for 5s. Stacks 20 times