The same graphics are used for equivalent ammo types (e.g.38 Special /. (sorry, Xbox 360 + digital camera + MS Paint if there's a better way to get a screenshot, let me know) When you see ammo in the wasteland, it's never sitting around in the form of individual bullets you always pick up little boxes or magazines that look like these:
Ammo boxes are exactly what they sound like: boxes of ammunition.
