![]() 308 loads could cause bolt lug setback or other "slow" failure modes. So I'm concerned that constant use of full. ![]() General failure theory is that the item should be able to withstand a one-time test load that is 2X the normal loading, which it did not. I'm trying to help you and other readers understand a bottom-line conclusion - it's probably not a good idea to exceed the pressure a certain rifle action was designed for. Understanding failure theory and modes has come a long way since then. They didn't even know what fatigue cycle damage was back in the 1890's when this action was designed. In other words, you might be up in the fatigue cycle zone - a catastrophic failure could happen in a few dozen or few hundred cycles. Even if not doing damage in the short term, you could be loading the structure up into the "margin of safety" region with full. There is more than just a one-time ultimate load to failure. What they did not test was a large number of fatigue cycles at the standard. ![]() They only tested a limited number of times (max of 4) that the action survived. I zoomed in so I could read most of the report. ![]()
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February 2023
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