has anyone got a ruger m77 in .243 that they reload for?? mine shoots winchester 100gr Sp very well Ive no problems with it at all,but Ive just decided to get back into reloading and rather than do a trial and error on various primers/powder/bullets.(heads to some!!)i was just wondering if someone out there could give me a head start as buying powder etc to find it no good etc is a bit pricey these days!!..thoughts please?