Potential Fix for the Sig P320 Failure Mode(s)?
BY Herschel Smith
2 hours, 30 minutes ago
I don’t think so. As I understand the failure mode, the FCU (fire control unit) is allowing the striker to go forward without rotation of the sear. This modification will not fix that problem. Not, by the way, that’s the only problem with the Sig P320.
I have yet to see a complete, full, uncompromised and unbiased FMEA of the Sig P320.
Via WiscoDave.
The SIG P320 saga continues!
A SIG engineer filed a patent to fix the "unsafe" P320 in May. It seems they knew.
Search for US-20250164203-A1 to find the document in the United States Patent and Trade website. pic.twitter.com/JW0lVp4TP6
— Dr. Napervillain Bunny (@Type07Safety) August 5, 2025
And Protraband updates us on his views.
Patent found here.
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