Hey All, I'm looking for some starting loads for an AR10 in 308.Standard Armalite with a Rock 5R 18.5" barrel(1/11.25), rifle length gas, match chamber. Using the following components for now LC brass, 210primers, IMR4895, Varget, and RL-15, 168 smk's, and Hornady 168 A-MAX. Any proven...