I've used the 63gn Sierra with good results on deer (fallow and reds) and pigs, and have just loaded up some of the 65gn Game Kings to try out. I sent an e-mail to Sierra and got a reply back (can't remember from who) that said that the 65 GK's should hold together better that the 63 grainers

Last edited by MikeNZ; 06/03/09. Reason: Added last sentence