I am building a custom 300RUM off of a Remington 700 action, HS Precision Sendero stock, badger thruster brake, ect...I have a 31" Krieger Remington Varmit contour barrel and I'm not sure what length I want to go with. I'm thinking no longer than 30" and no less than 28". I plan on shooting the Berger 210, 215, or 230s if I can ever find some to buy. This will be my only rifle and I will be hunting Deer and Elk here in Az. I also want to practice well past 1000 yards. I searched the forum about this topic but I also wanted to see some new opinions. Thanks for helping!