hi ive spoke to firearms officer a bout a variation,its a rifle for the foxys im after,whats the maximum range on a 22magnum,i wont be shooting past,about 180 max,ive got a 22 rimfire an 12 bore just now,but was looking at adding something else to my cabinit,i can get up to a 243 if i want it,also whats the range difference,between ,222,,223,,