If you truly do have your bow tuned well for field points, then I would suggest that you go to www.slicktrick.net and order some broadheads. When I got mine, Gary told me that if I liked them to send a check to him and if not to send them back. He may not always do business quite that way, but he will refund your money without any questions if you aren't satisfied. I had shot several heads, including Thunderheads as the last one and had gotten some mechanicals because I had the same problem you do. I put on a Slick Trick and it hit right in the center of my field point group all of the way to 50 yards. My son, and my shooting partner had the same results with them.