GJBGAMING

I've been wanting to start modding now for a while and have tried a couple of times but i cant find a video or post on how to make a weapon, i have the model and ive watched mike moore's video which a lot of people have requested but he only shows how to do the receiver and i'm new to this so i dont have a clue how to get it from a model to a working gun in the game. does anyone have any guide or anything. Thanks