This will be the first time I go squirrel hunting with a shotgun. I always hunted with a 22lr rifle but with me having the quivers or small shakes from my stroke I dont feel comfortable in shooting a squirrel with a 22 with out missing and the bullet travelling a 1 1/2 or more thru the air. So I am gonna use my tristar 20 gauge this year and I can change the chokes on it. To all if any that hunted squirrel with a shotgun what shot size and choke do you use. Will steel be better or lead.