How would you make a player's tool visible when zoomed in all the way?

Hi, I'm experimenting with an FPS game and was wondering how I could make it so that the player's tool doesn't become completely transparent when zoomed in. I'm using complex guns with lots of parts and scripts and don't want the game to be super laggy. How would I go about fixing this?

Most FPS games with visible tools in first person use fake hands, this could help a lot:https://devforum.roblox.com/t/the-first-person-element-of-a-first-person-shooter/160434