i killed a flying hen in the fall with steel...#4 2 3/4 inch..maybe 3icnh..cant remember...i was pheasant hunting and needed a long range shell for my second and 3rd shot and thats all i had..turkey flushed from the top of a pine tree...identified it as a turkey right away...BOOM nailed it first shot with 1 1/8th oz of 7.5....seen some feathers falling...racked in another one(my steel) BOOM...fell like a ton of bricks from a good 25yds away...theres ALOT of good lead and hevishot loads out there for a 20ga now....id look into those first...#2 steel wont have alot of pellets to begin with....and is lighter then lead so looses the punch it has pretty quick.....though it patterned excellent from my 12 ga and a modified choke.......i rather have more punch for a big ole turkey