A free app for Windows, by Talkie Toaster.

A Loads of Ammo – Switchable Ammunition Types is a mod for the online shooter game, FO4. It adds a wide range of ammunition types, from the most common to the most unusual. Some of them are even compatible with certain weapons, and you can craft and equip them. There are even items that will let you lay down a wall of fire or radiation, or even knock enemies back. There are several different weapons types, including assault rifles, machine guns, shotguns, RPGs, and even grenades, flamethrowers, and rocket launchers.

This mod will let you equip your weapon with several different ammo types, including the standard bullets, armor-piercing bullets, depleted uranium, explosive bullets, tracer bullets, and even some that are just weird.

There are even some that are compatible with certain weapons, such as shotguns, machine guns, rifles, and others.

You can find all the information in the form of images, and it’s also available in a video.