Remington has brought back the Wingmaster HD the one-stop shop in duck and goose high-density shot shell rounds. Testing proves Wingmaster HD delivers the best combination of pellet energy and pattern density resulting in high pattern energy on target. At 11.6 g/cc Remington's tungsten blend is 6% denser than lead and 49% denser than steel. Wingmaster HD features higher retained energy with uniform smooth round pellets for dense and efficient patterns. Expect deeper penetration and more pellets on target. If you want the most balanced tungsten waterfowl shotshell on the market Wingmaster HD delivers. - Gauge: 12 Gauge - Length: 3 - Weight: 1 1/4 oz - Shot Size: 6 - Shot Type: Hunting/Target - Muzzle Velocity: 1450 fps - Rounds Per Box: 10