Testing proves Wingmaster HD delivers the best combination of pellet energy and pattern density resulting in high energies delivered to the target.Features: 12.0g/cc tungsten blend Higher retained energy - 6% denser than lead and 49% denser than steel with excellent patterns Nearly as soft as steel - easier on barrels and choke tubes than other tungsten based products Excellent choke response - choke response simulates lead Round smooth true-sized pellets - dense efficient patterns with deep penetration Deeper penetration and more pellets on target