Are you shooting the 125's or 100's? The vents make a little difference. I have shot my Muzzy's, Slick Tricks, Innerlocs, and even some Magnus traditional non-vented heads all in 125 grains to make sure it wasn't my bow and they all hit with my field tips; so it is tuned. I also shot all the same heads in my back-up bow with the exact same results. I can see the arrow fly, and it does not appear to be planing at all. Like I said, it drove me nuts until I weighed them, and they are only a couple of inches high; so I concluded it must be the weight. All this took me 8 hours yesterday... :faint:Ashadow315 said:I have been shooting them. Your bow needs to be tuned perfect. Mine shot them well until I made a few adjustments. Now they are planing. I am going to work on getting back in tune. The only complaint i have is that the bleeder blades have come loose on the one head I ahve been practicing with.