You can visit my website www.broadheadtests.com and find a lot of info on mechanical heads and how the stack up. You can also do a search here to find more info than you could ever use. There are some excellent designs out there and with you setup you should be able to shoot some of the larger heads with good results. It's all about matching the head style, size, and penetration ability to your own setups Kinetic energy levels to maximize performance on game.