What makes Briley chokes any better than standard choke tubes :?: I'v been shooting a Farbam u/o for many years mainly out in the field, just recently i have taken up sporting clays(F.I.T.A.S.C.) and have noticed 65 to 70% of shooters have had Briley chokes fitted to their gun. Are they suppost to through a better pattern and if so what is it. :?: (Lets say using half choke and three quarter and using 32grams 7 or 8 shot with 30" barels.