I've got a buddy that is shooting them right now. He says they're awesome. He said his wading is bouncing off the target at 30yds. I feel that may be an exaggeration, simply because of the design, but I do know he killed a tom with them on Tuesday morning. If the proof is in the pudding, there you go. I'm not much on Federal shells, personal preferance, but these appear to be worth looking at. I don't think they'd do as well in a back bored gun though, the shot cup is a solid cup that contains the shot until the wading is slowed down and separates from the load.