Roblox Scripting | How to give a player an revolver and then take it away?

So, as i mentioned in my previous post (which has still not been answered), im making an murder mystery game, and for that i need to give an player a revolver when they're the sheriff and then take it away when the round ends, and the same thing for the knife btw i already have the revolver and the knife in the ReplicatedStorage folder. Can anybody help????