SMG Heat Sink


 * Mark I: Every round has a 25.00% chance of not using up the thermal clip.
 * Mark II: Every round has a 30.00% chance of not using up the thermal clip.
 * Mark III: Every round has a 35.00% chance of not using up the thermal clip.
 * Mark IV: Every round has a 40.00% chance of not using up the thermal clip.

Increases heat conductivity of thermal clip receiver. Negates heat generated by some shots.