Depending on your poundage and the amount of kinetic energy you are putting out, they are good heads. They cut nice, big holes and will bring down a deer for sure.
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1995 Ford Ranger XL
Douglas Radial Tires
Super Blue headlights
Fiberglass front bumper
2400 pounds
The Rocket Steelhead will be one of the most accurate heads that you will ever shoot. I like the 125 grain as the cutting diamater is bigger and has more threads engage the insert that it screws to.
I have a full review on the subscribers side of my website, but in a nutshell they are very accurate, fairly tough and penetrate well. Good overall heads for someone looking for fixed blade penetration, modest cutting diameter and field point accuracy.