This Winchester Supreme Waterfowl shell is 3-1/2" with 1-1/2 Ounces of #2 Steel shot which blasts out of the muzzle at 1475 fps. It's the perfect option for your marshy excursions.
Supreme High Velocity Steel Shotshells feature a Magnum Shotcup, Drylock Super Steel Wad, Plated Steel, and Lacquered Primer Shot and they are Water-Resistant.
25 rounds per box. To buy a full case, order 10 boxes.
Ammo price is per box