Federal Premium Vital Shok 12 Gauge 41 Pellets Buckshot Centerfire Shotgun Ammo, 4 Shot, 5 Rounds, P158 4B

This consists of a copper-plated shot. There is nickel bonded hull that holds tight to the frame rifling ensuring consistent shot patterning and energy. The nickel bonded hull prevents deformation of the shot pellets upon firing resulting in dense uniform patterns.