I have the Ten Point Vengent S440 fps, my nephew a rich man has the new 505, we shot them simultaneously at softballs at 50 yards, the difference to the human eye , and hearing as the arrows struck was non discernible. And I believe my crossbow is the industries narrowest, a real plus to me.Whatever rocks your world, my bow will shoot through a bull moose at 40 yards, been there done that, Newfoundland. What more do I need?