Shotgun Surgeon

"With this perk, your precision with a scattergun is something to behold. When using shotguns, regardless of ammunition used, you ignore an additional 10 points of a target's Damage Threshold."

Shotgun Surgeon is a perk in Fallout: New Vegas.

Effects
This perk affects the following weapons:
 * Caravan shotgun
 * Hunting shotgun
 * Dinner Bell
 * Lever-action shotgun
 * Riot shotgun
 * Sawed-off shotgun
 * Big Boomer
 * Single shotgun