Why in the world does anyone shoot those shells?
7/8 load in a 12ga.
Spend some extra money like2 bucks per box and get a good shell that you will be successful with and stop wounding a bunch of birds.
AA Shells are the best
Super Sport 3 1/8 drams 1 1/8 shot 1300 fps. pattern consitent every shot
4.97a box