I shot my Entiat doe w/Strickland's Helix 150gr BH recently, and all I can say is WOW! Big entrance hole, big exit hole and Lots and Lots of blood! Blood was still pouring out of her as she was lying dead on the ground! Plus, they fly like a dart and are tough. BH seemed just as sharp as before the shot. No dents or dings even after pulling out of ground on opposite side of deer.
ET