The HLAC (heavy laser assault cannon) is similar to the Machine Gun but fires highly accelerated laser bolts at an insane refire rate. The bolts explode on impact and for some extra damage the secondary mode fires several of them at once. This is only gun that has reduced spread when crouching! Beware of your cell ammo (shared with the Electro, Crylink and (minsta)nex), this baby eats it like crazy.

The HLAC's primary mode is a rapid firing laser shooter. It uses cells as ammo, one per shot.
The secondary mode is a charged up version of the primary. It releases multiple laser shots with a great spread.

Both modes are not very accurate, but it gets more stable when you are crouching.