The Federal Premium loads start with the finest primers, which are subjected to more frequent inspections for dimensional tolerances and charge weight to ensure they deliver consistent ignition for every shot. Next is the propellants, which are specially formulated to meet Federal's stringent specifications. These clean-burning powders are of the highest grades in the industry. They're consistent and reliable. Upland loads feature Federal Premium copper-plated lead shot and the best components for the most consistent, deadly patterns possible for upland hunting. These magnum loads have buffered shot for tighter patterns, less feather draw, and maximum penetration. Type Lead Gauge 12 Gauge Length 3" Ounces 1 5/8 oz Series Wing-Shok Magnum Shot Size 5 Application Hunting Boxes Per Case 10 Rounds Per Box 25 Muzzle Velocity 1350 fps Unit Of Measure box