Challenger Ammo 40007 Light Load 4000 Shotshell 12 GA, 2-3/4 in, No. 7-1/2, 1 oz, 2-3/4 Dr, 1200 fps, Bulk 250 Rnd per Brick

From Official Site:

Challenger Ammunition is loaded in Canada with the finest components for the economy minded shooter. The fully reloadable plastic hull is primed with sure-fire Cheddite primers for consistency shot after shot. Slow burning powders offer unequalled performances; very light recoil, and less shot deformation. The one piece plastic wad, whether double or single piston, ensures the shooter with more clay busting and game getting performance. The special hermeplast base wad guarantees excellent humidity resistance and no distortion in shooting. This is loaded ammunition