Forty years ago Roster had a 10 ga. lead load that several of us tried. It had been published on a BP flier. Next year it was no longer listed. Too many bloopers; a buddy had a blooper at the moment of truth with a turkey. I think the turkey fell down laughing at the nickel plated shot dribbling out of the barrel's end. That was enough bad for the rest of us to use something else. Gil