The Winchester Super-X Drylok Super Steel line of ammunition is the perfect ammunition for waterfowl hunting. Available in 10-gauge 12-guage and 20-gauge shells with up to a 1_ ounce payload these waterfowl loads are an excellent example of Winchester's commitment to quality backed by more than 140 years of experience.Not only are these super steel waterfowl loads water-resistant but they are packed with premium-quality plated steel shot for denser patterning and increased knockdown. If you are a serious waterfowl hunter you know that no other name can be trusted like Winchester.