I have only used them on turkey but they worked well. They flew just like my field points and grouped well. I only shot 1 jake this year at about 20 yards with this head. The arrow hit the leg joint on the left leg, destroyed the joint , went through the breast bone, and then broke the leg on the other side. I chose this head because they were on sale for $18 for three, and I wanted an "over the top" style mechanical to lose some energy on impact and hopefully leave the arrow in the turkey. All in all the broadhead did what I needed it to do and the only damage to the head was one of the blades was bent.