That is NOT tss. It is a “tungsten alloy”. If it were tss, it 1. Dam sure wouldn’t be $17/box and 2. Would have a elephant on the box because true 18g/cc tss 00B is overkill for anything other than grizzlies in North America.
Federal 3” 1-7/8th oz. #6 turkey load with Flite Control wad. Shot from my Beretta A400 factory flush full choke at measured 60 yards. Choke/wad combo doesn’t appear to affect smaller shot, however tighter chokes and big pellets can blow patterns.