I use The Mangus stinger with the bleeders. It flies so close to field tips no need to change anything. I found them when visiting New Mexico and ran into a guide there, that said on his website he has a list of broadheads that his clients must choose from to hunt with him. He is sick of seeing wounded animals. I think he has 10 or so listed. Wish I could afford to hunt with him, hella nice guy and knows his sh---.