I don’t know how to make a weapon in my game and it’s REALLY starting to tick me off.
Download the First Person Tutorial and follow the instructions - they have two weapons: a machine gun and a rocket launcher; the first shoots using Raycast, and the second instantiate a rocket. You will have models and prefabs for both weapons, which you can import to your project to start making your own game.
This is pretty similar to what aldonaletto proposed, but Dastardly Banana Productions has a FPS weapons package on there website with tutorials on how to set up the basic kinds of weapons and everything. I used this to setup weapons really quickly in my own game, here is the link: