Federal Premium Prairie Storm FS Lead uses the FLITECONTROL wad and a mixed payload of standard pellets and FLITESTOPPER lead to produce full, consistent patterns. Excellent retained velocity and energy mean increased lethality and fewer lost birds.Features:FLITECONTROL wad and FLITESTOPPER pellet systemPayload mix of 70 percent standard copper-plated lead and 30 percent FLITESTOPPER lead produces even edge-to-edge patternsFLITESTOPPER pellets create bigger wound channels