Hello everybody! Just as a quick pre-cursor I'd like to let everyone know I am just getting into long range shooting. I plan on building a custom rifle and just want some input from you guys. I'm currently in Afghanistan and I have 7½ more months to decide exactly what I want and where I want it built. As of right now, my plan is an AX308 chassis, 591 surgeon action, jewell drop in trigger, Krieger 20" barrel (What do you guys think of 5R?) As far as twist rate, do you guys think slower twist with a heavier bullet is better? Or faster twist with a lighter bullet? Not sure about the optic yet, would like to go with a nice SchmidtBender but obviously that's a big hit to the wallet. Also considering the Bushnell HDMR. Any thoughts? Would like a Horus reticle.