... well it's limited by how well I can see. I think... if I had to guess, like...

It's limited by the power of the blast, not the type? It's not exactly a real laser, it's more a blast of some kind of superheated energy, almost like a plasma. I think... probably maximum range is half a mile, maybe a little more than that. If I really juiced it up I might be able to push it to a full mile. But again, I'm limited by how well I can see the damn target.