Supreme® High Velocity Drylok Super Steel® and Super-X Drylok Super Steel™ Shotshells give you the ultimate in water-resistant, high-velocity, knock-down performance in any foul-weather hunting condition. Simply put, Supreme High Velocity Steel shotshells are the hardest hitting water resistant steel waterfowl shotshell ever developed by Winchester. Each load features specially formulated propellant to deliver a Full Load Steel Shot charge at 175 fps faste