I shoot a hastings .650 in a Rem 870 for 3" shells. Its an older choke which I have had for a long time. It shoots great and I've taken turkeys out to around 57 steps.(Wouldn't push it any farther than 55 yards though.) It says for lead only but I have shot the Extended Range shells through it though which pattern really well. I have been itching to buy a different choke to try some of the newer loads. Kind of reluctant though because of the prices and mine shoots well enough I hate to change anything.
Hunt hard or go home.