Originally posted by Matt @ LSI
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And, Drift, I'd guess that the Howa MA shares the same bolt lugs as its bigger brethren. Only the bolt body length is shortened. Thus, it should have at least the same strength as their short actions in the .308-case family. <WINK!> (Eh, Matt, you didn't see that. . . .)
P.S. The maximum average operating pressure for the 6.5 Grendel of about 50,000 psi was specifically set for conservative margins of safety for the bolt-life requirements of a fleet of rack-grade AR15s operating from the extremes of the Siberian arctic to the Middle East. If you have a stronger bolt, the cases can certainly handle more pressure.
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