2.5-4% Bonus Critical Chance on Chained Hit. Stacks 5 times.
12-24% Rending on Enemy Weak Spot Hit for 3.5s. Stacks 5 times.
14-20% Damage against Suppressed Enemies, 28-40% Suppression and 28-40% Recoil on Close Range Kill.
4.25-5% Strength for every Enemy you Stagger. Stacks 5 times.
Updated,
Description to follow