Why start with remington core-locts 170gn? What shoots good in your gun, might not shoot good in others. Personally I find All of the Federals and Hornady loads to be alot better then Wins and Rems. Quality and Accuracy wise.
4feathers, go here, lot of good info on the 30-30 and ammo.
http://www.sixgunner.com/mcpherson/3030.htm
Guns cause crime, like flies cause garbage.