Mad Bomber

 is a perk in the Fallout: New Vegas add-on, Gun Runners' Arsenal.

Effects
Specialized training is now available for wastelanders with a talent for Repair and a love of Explosives. Crafting tin grenades, fat mines, and even devastating Nuka-grenades are a snap with this handy perk.

Crafting weapons

 * Bottlecap Mine, Efficient -same recipe as Bottlecap Mine but use only 3 cherry Bomb instead of 5.
 * Fat mine -1 Mini Nuke, 1 Scrap Electronics, 1 Scrap Metal, 1 sensor Module.
 * MFC cluster -1 Duct Tape, 18 microfusion Cell, 1 Scrap electronics.
 * MFC grenade -3 Microfusion Cell
 * Nuka-grenade (Gun Runners' Arsenal) -1 Abraxo Cleaner, 1 Nuka-Cola Quartz, 1 Tin Can, 1 Turpentine.
 * Time Bomb, high yield -1 Duct Tape, 6 Dynamite, 1 Egg Timer, 1 Scrap Electronics.
 * Tin grenade -1 Duct Tape, 50 Powder Pistol, 1 Tin Can