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by 74novaman
Thu Dec 08, 2022 3:03 pm
Forum: General Gun, Shooting & Equipment Discussion
Topic: Sig P320 un-commanded discharges
Replies: 37
Views: 17471

Re: Sig P320 un-commanded discharges

Excaliber wrote: Mon Dec 05, 2022 9:13 am This is a well documented and witnessed incident that indicates the 320's issues have not been resolved.

The explanation of a "weak firing pin spring" doesn't make sense - the spring was strong enough to drive the firing pin forward with enough force to fire a round.

It loos to me like there are issues with the firing pin / sear interface and the trigger reset.
I don't think he's being intentionally dishonest in the video, but something that jumps out at me immediately is that he's a larger guy, and in the zoomed in picture showing the hole in his pants and where the knife was, you see some of his t shirt hanging over the belt.

This is something I've witnessed myself multiple times in USPSA/Steel Challenge while shooting or ROing: someone's shirt not being tucked in well enough to make sure the holster is clear. I've had to stop guys from attempting to holster with shirt in the way. Now for larger guys, it becomes a big problem when there's enough shirt free to get stuck between gun and holster, especially in something like steel challenge as you move your arms up to surrender position and your whole shirt rides up.

It's possible the gun is defective. My personal suspicion in this particular case is a little shirt got in the way when he holstered, and while raising his arms for the next string it pulled his shirt up enough to trip the trigger.

There were tons of stories about defective Glocks and "glock leg" when PDs switched over to them. Looking at some of the holster options available for 320s, especially light bearing duty holsters, I see a lot of gap between holster and trigger for stuff to get tangled up in (nature of the beast when it comes to light bearing holsters, unfortunately).

Weirdly, a glock style trigger safety might be just what the 320 needs to prevent the edge of the trigger getting snagged by foreign objects in the holster and causing a discharge. That's still my bet for the source of the issues, though.

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