Magnum Shotcup: Improved barrel protection, high shot weights and tighter patterns for long-range knock-down; Plated Steel Shot: Provides corrosion resistance; Drylok Super Steel Wad: Two-piece double seal wad system ensures maximum water resistance and provides a greater gas seal for faster, consistent velocity; Lacquered Primer: Works with Drylok Super Steel wad system to ensure powder stays dry in the harshest conditions