Continuously chaining more than 2 attacks gives 2-5% Power. Stacks 10 times.
7.5-15% Weak Spot Damage. Weakspot Kills also ignore Enemy Hit Mass.
1-4% Toughness for every 10% of magazine spent during continuous fire. Stacks 5 times.
5-8% Strength for every 10% of magazine spent during continuous fire. Stacks 5 times.