I was curious if some of these reported issues of 320s going off could “possibly” be a tolerance stack issue. It would make sense why there are only few allegedly defective pistols.
That these issues are due to tolerance stacking seems to me almost certain.
The issue there is the fact that some imperceptible difference in the dimensions of one or more tiny parts can cause the gun to go off by itself. And that there is no way to just look at the gun and know if it suffers from this stacking of tolerances.
Will some M17s experience these issues after 10 years of constant service when maintenence is neglected?
Could otherwise fine P320s experience these issues out of the blue after they have some rounds through them? If so what happens if this type of accidental discharge occurs after someone reholsters AIWB?
I suspect that nobody at SIG prioritized anything over safety, and the trigger feel least of all. The reason why the striker safety is so convoluted on P320 is it being inherited from legacy designs, all the way back to P220. In fact the first P320 was hacked together by a guy from a P250 (I even used to know his name years ago).
Various SFA mechanical maladies didn't push this house towards hammer-fired DA/SA semiautos so much as a brutally honest assessment of our own increasing physical and training limitations. Just like automobiles, some firearms get too "hairy" as we change.
But the P320 seems to have a special marinade of potential (or possibly simply perceived) issues.
gn
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