Since I already have the Starline coming in. I'll try that. I'll wait until I get the DD rifle and measure both fired cases in each gun. Go from there. The RCBS Match set might not size down enough. I'll have to check. As far as powder charge, I am going to use 7.62 NATO data in the commercial cases. My old AA red book lists loads for both .308 and 7.62 NATO. Depending on the powder there is a 2-3 grain difference for the Mil spec cases. Being lower because of the thicker brass. The red book goes in great detail about burn rates and ball vs extruded powder for loading Military autos. 4895 and 2520 (ball) are their best picks. But you can go a little faster or slower from there. The 16" barrel may make a difference. Springfield states that they modify the gas port for their 16" SOCOM. But they do not elaborate.
I might have to go the LC route like you guys said. I'm am not after top accuracy anyway. But I might change my mind for the DD. I might scope that one in the future.
