Getting ready to start loading for a new AR 10 that I am treating as a "precision" build with the goal sub 3/4 MOA. A buddy asked if I was going to crimp in order to prevent bullet set back from recoil (we had a pistol chambered in 460 Rowland explode cause of this). I told him that my practice is to use a FL die w/ proper bushing that gives .002 neck tension. But that got me thinking if this is acceptable practice in a semi auto. I have loaded thousands of 308 and 6.5 Creedmore using this practice in bolt guns, but my AIAT is a much heavier weapon so it has very little recoil. Thoughts?