Shotgun
Try to save your bolts so you are able to buy the Constructo Shotgun as soon as possoible. This weapon is more powerful and has better spread and range than the default Constructo Pistol, it is also relatively cheap.
If you need more help, we've got more Ratchet and Clank: Before the Nexus cheats and also check out all of the answers for this game
Comments for this hint