This is similar to the one I made for Fallout 3, but everything is just ammo in this one.

adds
10mm burst ammo that makes a small explosion on impact
12 gauge burst shell that makes lots of small explosions on impact
50MG Nuclear I'm sure you can guess
25mm Gas and Stun grenades
40mm Plasma and Pulse grenades

You can purchase these at the A-TECH Terminal in the Goodsprings General Store.

I have a similar mod Fallout 3 A-TECH ARMS FO3 and there will also be one for Fallout 4 just as soon as I can download the 24GB so I can play it.

Have fun blowing up your adversaries. If you want anything added feel free to ask and I'll see what I can do.