You can run a .308 incredibly hot if you want to. The real questin is why would you want to. When you do so you encroach upon the safety margin of the firearm which puts both your rifle and your face / eyes in jeopardy. That's why they make the other chamberings.
If you want a faster bullet find the chambering that matches your target velocity and bullet choice. For example if you "need" to have Sierra 190 SMK fly at 2,800 to 2,900 fps, get a 300 Win. Mag. it will get you there safely and with no danger of ruining you rifle.
JeffVN
If you want a faster bullet find the chambering that matches your target velocity and bullet choice. For example if you "need" to have Sierra 190 SMK fly at 2,800 to 2,900 fps, get a 300 Win. Mag. it will get you there safely and with no danger of ruining you rifle.
JeffVN