Originally Posted by mgs
Pressure is important but so is rearward bolt thrust. You need more diameter (larger case head)/larger bolt lugs and bolt mass to control all that. Bigger round = bigger action because the build materials are the same. Compare the Thompson Contender and Encore frames for example. One can handle .308 and the other can not.
I understand that, go look at the post i quoted. My post was more or less saying that the pressure had nothing to do with the size of the rifle, and that 60,000psi is not a super high pressure as far as center fire rifles are concerned.
Posted using Outdoor Hub Campfire