3.5-5% Strength for 3.5s on Hit. Stacks 5 times.
Continuously chaining more than 2 attacks gives 2-5% Power. Stacks 10 times.
5-8% Strength for every 10% of magazine spent during continuous fire. Stacks 5 times.
4.25-5% Strength for every Enemy you Stagger. Stacks 5 times.