With this script, you can get all the weapons in the game, and at the same time carry them all with you! When the cheat is deactivated, your old weapon will return to you (for saving the game), except for brass knuckles and a camera (script limit).
Activation/Deactivation: W + 1 Use the mouse wheel or the 1 - 9 to select a weapon. In the car, press 1 to select a weapon.