Speed-Shok, 20 Gauge 3" | #4 | 7/8 oz | Steel Shot | 25/ct | California Certified Nonlead Ammunition | Bulk Ammo: 10 each of 25 rounds as 250 rounds total
 
Speed kills ducks and geese. Now it kills even cleaner with redesigned Federal® Speed-Shok®. Its high-performance primer and fast-burning powder dramatically reduce residue, while its optimized velocities knock birds out of the sky.
Improved loads
Fast-burning, clean propellant leaves drastically less residue in the barrel and action
High-performance primer provides the most complete, consistent ignition possible
Optimized velocities
 
https://www.federalpremium.com/shotshell/federal-upland-waterfowl/speed-shok/11-WF209+4.html