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Social media is very excited these days about "exploding" SIG 320s...so let's consider what might actually be happening.

Of course, this discussion is invariably clouded by the fact that the P320 did have a legitimate drop-safety problem a few years ago. It was fixed, but many people don't bother to distinguish between that issue and other alleged malfunctions. So are SIGs really exploding right and left, or is this a case of social media attention making a typical number of incidents with a variety of causes look like a huge trend?

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What's the Deal with the SIG P320 Exploding and Firing "Un-Commanded"?

https://utreon.com/c/forgottenweapons/ http://www.patreon.com/ForgottenWeapons http://www.floatplane.com/channel/ForgottenWeapons Cool Forgotten Weapons merch! http://shop.forgottenweapons.com Social media is very excited these days about "exploding" SIG 320s...so let's consider what might actually be happening. Of course, this discussion is invariably clouded by the fact that the P320 did have a legitimate drop-safety problem a few years ago. It was fixed, but many people don't bother to distinguish between that issue and other alleged malfunctions. So are SIGs really exploding right and left, or is this a case of social media attention making a typical number of incidents with a variety of causes look like a huge trend? Contact: Forgotten Weapons 6281 N. Oracle 36270 Tucson, AZ 85740

Comments

Anonymous

The "exploding" pistols could be the result of low quality ammunition being used. There are reports, and youtube videos of certain brands of imported 7.62x51 causing guns to have catastrophic failures. It would not be hard to imagine that there could be issues with 9mm luger ammo as well.

Anonymous

Firing without pulling the trigger could be using a holster not designed for the specific firearm, or just not knowing where your finger was.

ForgottenWeapons

Definitely. Also foreign material getting into the holster while inserting the gun - the elastic drawstrings on the waist of some jackets are a prime contributor to this happening.

Anonymous

Another issue with using reloaded ammo could be insufficient case mouth tension resulting in the projectile being forced deeper into the casing when the round is chambered.

Derek Putley

Ian, thanks for that interesting and detailed analysis. I have witnessed a couple of failures due to defective factory ammunition and one due to a defective handload. That one was my fault. Thankfully it was only a 'squib' with no powder rather than a double charge.

Ryan Butler

Looks like you missed an edit at the end of the video. Several ending running into each other one after another.

Anonymous

My memory is a little fuzzy, but didn't the upgrade program also add a disconnect? Do you think that this could have any relation to claims of firing out of battery?

Anonymous

Ian, I don’t know if you’re aware but Massachusetts makes every pistol sold in the state go thru drop testing and requrires the pistol be dropped on the rear of the slide,I’m not sure of the exact angle, but the 320 did pass even the Massachusetts drop testing

Thomas Batha

Probably not relevant to this pistol but it's my understanding that many of out of battery discharges are caused by broken firing pins where a piece of the firing pin gets stuck in the "bolt' face and slam fires the gun before it is locked. I think striker fire systems fixed this.

EyeBall

Many times, you have discussed that development of new designs can take many years to get right, then more years yield further improvements. I don't know the development timeline for the P320, but it does appear to be a redesign of the P250, the original Sig modular fire control system. The P250 wasn't successful, perhaps because it was DA only.

Douglas Biegel

I have an early commercial P320. I never had a problem with it, but my gunsmith sent it off an had the upgrade done. His argument was safety first.

Terry

Nuance and detail? In the internet? Never work.

Retired No Bad Days

All references I had seen say that you do not need to anneal pistol brass. Has anyone seen any actual annealing test/report that have been performed on pistol brass?

Logan

Ug, going through this BS with my agency. I am aware of just about everything you said in this video and have tried to explain it to people multiple times. Think I will just show them video now! Thanks I am sick of explaining this over and over!

Chairman

It is all with cops training. It is a sad fact, but the bean counters know it is cheaper to pay once for funeral rather than continual training. This is just another factor of it.

Guido Schriewer

you do not own any 220series? kind of like the old 225 220 in 45 or the 226. early x5 was my 1st handgun in 40. that WAS NOT perfect. alas.