Steel (iron) shot will never equal lead shot period. Yet stell shot used properly is a very effecient shot. Biggest problem is waterfowl hunters don't have the foggiest idea how far 40 yards is, plus have not patterned their guns with the diffenet steel loads available. I spent a lot of years observeing waterfowl hunters when lead was legal and most didn't know how far 50 yds. was, and when they switched to steel their range estamation didn't improve. Goose hunters were the worst at it.