Laser Pistol is one of the, if not the best, weapon in the game. Of course those huge guns are good, but those can still function well with your allies. Buy guns with as many MOD slots as possible. I have a 12 rounds per second laser gun, 55 ammo, and very high accuracy.
Tip: When you're in a middle of a game, needing some money, and conviniently having a vehicle of some sort, go to qubba and go to the fort place. buy as much alcohol as possible and sell it. cycle until the price rises in the fort, and move to hara.
I still don't understand that turtle shells can survive being blasted by a sentinel, cut by razor blades, bounced by bouncers, and exploded with proximity mines. These turtles could rule the world.