???????? ? ??????????? ?????? ? ?????? ????????? ??????? ? ????????? ??????? ?????????????? ?????? ????????????? ??? ?????? ????? ??? ?????? ???????? ?? ????? ?? ??????? ?????????????? ?????? - ?????????????? ??????????R50 usually means the closest fifty p.c from the shot group will all be inside a circle on the talked about diameter.????? ??? ????