Hello all! I shoot a bowtech allegiance with a medium whisker biscuit at 65 lbs. My arrow is the Easton Axis St 400 @ 27.5" , fletched with duravanes 2.5". My question is when I get out to forty yards my arrows run tail high from about 10 yards in. Considerable tail high!!! My arrow does not porpoise it just runs on an endo. Is this caused from shooting a medium whisker and not the small or do I have a nocking point problem. Any information would be greatly appreciated.