+25-40% Cleave on Hit. Stacks 5 times.
+2.5-4% Bonus Critical Chance on Chained Hit. Stacks 5 times.
Critical hit chance scales by your current heat level up to 27.5-50%. Also increases critical ranged attacks damage by 4-10%.
+5-8% Strength for every shot fired during continuous fire. Stacks 5 times.