Particle blasters operate on a similar principle to the railgun except they fire a magnetically contained ball of subatomic particles. No other turret class can match the sheer destructive power of particle blasters, but due to the rapid dispersion of the containment field, it also has the worst range of all turrets.
Blasters, like many modules, come in three varieties, Small Blasters, Medium Blasters, and Large Blasters.