hi i am new to this building a bolt gun. thinking of building a 6.5G or a 264 LBC the only actions i found are CZ 527C RUGER 77C SAVAGE 10FCM.that will come factory 7.62x39 and i can rebarrel to 6.5 I would like to know which one some of you would use and what kind of barrel. and thanks for your im put.