While the hunting shotgun is considered a tier 4 weapon, both of its mods are included in both the tier 2 and tier 4 weapon mod lists, with no other weapon mods being duplicated between the lists.Prior to patch 1.3.0.452, the hunting shotgun choke was only worth 250 caps.Great Khan armorer, Great Khan armory near Red Rock Canyon.This mod decreases the hunting shotgun's spread by 40%, from 1.5 to 0.9. Shotgun chokes are a modification placed at the end of a standard hunting shotgun's barrel to squeeze the shot so the pellets stay together longer in flight, thus increasing its range and accuracy.