Rear-opening Flite control Flex wad provides the tightest patterns possible through both ported and standard chokes; Payload of 40% Flitestopper steel pellets and 60% premium steel for dense patterns and larger wound channels; Catalyst lead-free primer and clean-burning, temperature-stable propellant drastically reduce residue; Black nickel head inhibits corrosion; Sealed crimp defeats moisture in extreme conditions