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The U.S. Air Force has temporarily suspended use of the SIG Sauer M18 Modular Handgun System after the reported accidental shooting death of an airman at F.E. Warren Air Force Base in Cheyenne, Wyoming.
— SIG SAUER (@sigsauerinc) July 23, 2025
According to New Hampshire Public Radio, an Air Force spokesperson confirmed that the pause is “directly related” to the airman’s death, which occurred Sunday, July 21.
A statement posted to the base’s website acknowledged the loss but provided few details, citing the ongoing investigation and the need to notify next of kin.
“We are deeply saddened by the loss of a valued member of our Mighty Ninety team,” Col. Terry Holmes, a commander at the base, told NHPR.
“Our thoughts and heartfelt condolences are with the Airman’s family, friends, and his fellow Defenders during this incredibly difficult time.”
Air Force Issues Command-Wide M18 Stand-Down
BREAKING – The USAF has launched an investigation into the SIG Sauer M18 after a desk sergeant placed his holstered pistol on a table, where it discharged and fatally struck him in the chest, prompting Air Force Global Strike Command to pause all M18 use. pic.twitter.com/m9oa0sI7o4
— Right Angle News Network (@Rightanglenews) July 22, 2025
In a memo issued the same day, Air Force Global Strike Command (AFGSC) ordered all units to immediately pause use of the M18 handgun for both operational and training activities.
The pause will remain in effect until AFOSI (Air Force Office of Special Investigations) and Safety investigations are complete.
During the stand-down, all personnel who would normally carry the M18 will instead be issued M4 rifles.
AFGSC has also ordered 100% inspections of all wing-assigned M18s and is working with the Air Force Security Forces Center to conduct a comprehensive review and establish a corrective timeline.
SIG Sauer Offers Support

SIG Sauer, the manufacturer of the M18, released a public statement expressing condolences and confirming its full cooperation with the military:
“Our hearts are with the service members and families impacted by the recent reported event at the F.E. Warren Air Force Base,” the company said. “We proactively offered assistance to the U.S. Military as they investigate the incident and remain willing to help in furtherance of their ongoing inquiry.”
“We have absolute confidence in the Military’s ability to conduct a thorough investigation and are working with the Air Force and Army to answer any of their questions.”
A Critical Moment for the M18 Program
The M18, a compact variant of the M17, was selected under the U.S. military’s Modular Handgun System (MHS) program to replace the Beretta M9. It has been widely adopted across all service branches since its introduction.
SEE ALSO: Truth About the SIG P320 Continues…
This incident places the MHS program—and SIG Sauer’s flagship military pistol—under increased scrutiny. While the exact circumstances of the discharge remain under investigation, the outcome could influence military policy on handgun safety and procurement.
As of now, the Air Force has not publicly confirmed whether the pistol malfunctioned or whether the discharge was due to user error. The pause will remain in effect until safety measures are reviewed and confirmed.
This is a developing story.
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This is obviously operator error and the reaction by the Air Force is not surprising. There are thousands of these firearms issued and used by all services without problems. Having spent 27 years as a Marine and having dealt with the AF, I guess I shouldn’t be surprised by their action.
I’m not sure but I’ve been handling and shooting pistols for a long time. Never dropped one.
I’ve seen alot of safety violations on the firing line at the range. Maybe rethinking and remembering safety drills could help with this. Familiarity breeds contempt.
Let’s not forget that DHS/ICE just pulled all their P320s because of the same issue of weapons inadvertently firing. This is the same issue the P320 when it first came out. Sig claimed they fixed it. Guess not. Will be interesting to see what the outcome will.
I don’t know how/why this weapon discharged, but I can say this. IF… it discharged without the trigger being depressed, it’s garbage. I don’t care what kind of safety system it has, a modern sidearm should NEVER discharge without the trigger being depressed, PERIOD. I’ve mentioned this several times before in this forum… As a former LEO, I never saw a Glock suffer a catastrophic, unrecoverable error on the firing line. Saw at least two Sigs go down that required a trip to an armorer before being serviceable again. That’s enough evidence for me. It also helps that I can buy two Glocks for the price of one Sig.
Replace that POC with a Glock and be done with SIG M18
They should just go back to the Colt New Service in .45 Colt.
NEVER BUY SIG SAUER PRODUCTS EVWR AGAIN!
Should have just stayed with the tried and true proven 1911. But I get it, it’s about more rounds. That said, should have then just stayed with the Beretta M9 then.
And ironically it seems that even though the left wants to reduce civilians ability to have enough sufficient rounds, even the military knows you need so called higher capacity magazines! But I digress.
No striker bar on the Sig? Surprising. If no striker bar or hammer block? To me that is unsafe for carry use. I dropped a Walther PPKS once and it landed on hammer and fired. Luckily it hit a filing cabinet and not anyone. Sold it and got a pistol with a hammer bar. What use is a pistol you must rack a round in before shooting? I smell a rat.
Very surprised that a PPK/s did that. It has a rebounding hammer system that keeps it locked back until you pull the trigger .. Did it function normally after the drop, or did it break something in the trigger / hammer ?
Yes round in chamber and never point weapon muzzle towards anything you’re not willing to destroy
If it’s not broke, don’t fix it should’ve stayed with the Italian Beretta nine
Should have stayed with the tried and true proven 1911!
Oh but you can’t really spray and pray with only 8 rounds. You actually have to aim and be able to hit your target don’t cha know???
SIG has temporarily suspended use of spokespersons for the SIG Sauer M18 Modular Handgun System after accidental shooting death of a SIG Spokesperson.
WHY was there a round in the chamber?
Far as I know the United States Air Force does not allow magazine fed weapons to be carried with a round in the chamber?
Why is it that I’m not hearing anything about that from all the so-called experts out there running their mouths?
I’m almost certain that Sig Sauer is going to be asking that question, especially after they put out a notice not to carry that pistol with a round in the chamber!
Smell test on this is not passing!
All the people out there with the Glock comments you must sell Glocks, but I will never own one!
I will stick with the PSA Dagger! Thank you!
“Far as I know the United States Air Force does not allow magazine fed weapons to be carried with a round in the chamber” That is incorrect. USAF has, since at least 1980, (probably a lot earlier) required carry w/a cartridge chambered. What good does a weapon do you, effectively empty? The army used to carry in some cases without a cartridge chambered but that all changed some time ago.
Have you ever owned or fired a Glock?
I guess you missed the part that I have two PSA Daggers; the Glock 19 clone, in the Glock 17 clone, they’re exactly the same in form and function as the GLOCK! Although I’m not a big fan of the trigger pull on the GLOCK or its clones!
P.S. You might try getting some reading comprehension classes!
Interesting. You’re not suppose to carry a Sig with a round in the chamber? Are they THAT dangerous? Lucky for me I didn’t accidently blow my foot off with my P220 when I carried it. You can carry a round in the chamber on a Glock. No problem. Just keep you finger off the safety – uh – trigger. Maybe that’s the reason I no longer rely on my Sig.
How the fuck am I suppose to know what a “PSA Dagger” is? Go back and re-read what you wrote, pal. You never mentioned anything about a Glock 19 or 17 clone. Why buy a clone? Can’t afford the real thing? Okay – I get it, they cost almost twice as much. So if you can’t afford the real thing, buy the next best thing, a cheap knock-off – right? 😏
“All the people out there with the Glock comments you must sell Glocks, but I will never own one!
I will stick with the PSA Dagger! Thank you!”
Seriously Tommy – you love your cheap Glock knock-offs, and even by your own words you wouldn’t own a real one, but you show up here and comment on how inferior a REAL Glock is? And you own TWO of those POS Glock clones – but love them? REALLY? 😂
Yes, as a former dealer and a member of the GSSF(broaden your horizon and google it), I own 11 of those Glocks you hate so badly, that you actually went out and bought TWO clones of them. Does that make any sense to you? Me either … So yes, I know a little bit about Glocks. I even bought one of the first Glock 10mm’s sold in the USA when it arrived from Austria by in 1991.
While you’re trying to make sense of why you bought cheap Glock knock-offs and you think they are so much better than the originals, and even bragged about that here – ask yourself why. Why rag on the real thing you know absolutely NOTHING about and probably never even held one, much less fired one?
And “P.S.” right back at ya – maybe YOU should consider taking remedial English literature classes, Lord knows I could use it. Take special note of the importance of proof reading … 🙄 BTW – I failed English Lit 55 years ago and damn proud of it! 🙊🙉🙈😂
Don’t misunderstand me, I like Sigs, I used to own a P220, but I’ll never understand for the life of me why the military chose the Sig over the Glock. Besides a better design – arguably – it would have saved millions of dollars with the contracts. The polymer design is practically indestructible. The modular design makes it easy to customize. No external gadgetry, but 3 internal safeties that are tried, true, and reliably. My p220 was very ammo sensitive. Of my 11 Glocks, only the .22 is somewhat ammo sensitive. One explication – politics.
Because Glock did not meet the specs required by military. There was no manual safety as required where Sig did meet that spec just to prevent incidents like this one. Sadly, user error, not the firearm appears to be the primary contributing factor based on the information we have. If we find that the manual safety was engaged and failed, Sig has a major issue on their hands.
Glocks don’t need manual safeties. You finger is the manual safety. A Glock won’t fire until your finger engages the Glock Safe Action lever on the trigger and pulls it along with the trigger. And the trigger pull is 5.5lbs, not 8lb SA/14lb DA like on my Sig. It’s a proven, safe, and effective design. Why else do you think it’s carried by more police departments than any other firearm in the country?
Glocks have 3 internal safeties and you’ll never hear of a Glock discharging due to “mishandling” or dropping, unless you pull the trigger. It’s impossible. I stopped carrying a Sig and my 1911 35 years ago for that reason alone. And you don’t have to worry about which ‘carry condition’ your Glock is in. You pick up a Glock and pull the trigger and bang – it fires – period. As long as you don’t pull the trigger, it’s just a chunk of inert plastic and steel.
Regardless of the safeties you mention, the purchase requirements required a separate manual safety select and if the Glock didn’t have one, it can’t be given the contract.
As I recall, Glock did provide a prototype that met all government specifications including a manual safety. After Sig was awarded the contract Glock vowed to never mass produce the prototype with the manual safety. There was a lot of scuttlebutt over the selection process, but I do NOT the lack of Glock being willing to meet the most essential contract demand including of a manual safety a factor. Glock resented the whole process, most especially the manual safety requirement. I will own the mistake if anyone can provide a source that confirms the claim made above, that Glock did NOT offer a prototype with the manual safety. I feel pretty certain my information is correct.
Well, if my memory serves me, Glock engineers DID introduce a weapon that met or exceeded the governments’ ridiculous requirement for external “bell & whistles”, but obviously they rejected it. Whether or not you agree or disagree with the research over the decades, it’s been proven designs with external safeties, de-cockers, etc., can get you killed if they fail.
Or if you are the average person that doesn’t practice on a regular basis with your weapon, you can’t build the muscle memory needed to properly use those features in a stress filled situation when you have tunnel vision and may not remember what ‘condition’ your weapon is in. Maybe that’s the reason LE agencies are switching over to Glocks and turning away from Sig. It’s all semantics at this point, but it seems the fed made another bad decision. They’re good at it!
Want would you say if I told you that I have just looked at a photo of a Glock 19X MHS with an external safety from an article in 2017? Can I trust my memory of Glock providing a prototype with an external safety? Can I trust the journalist that wrote an article and provided the photo of a Glock MHS with an external safety? Is it possible that you recall the government tests incorrectly?
Based on numerous articles published that go into the multiple reasons why Glock lost to sig, one mentioned that Glock did in fact add a manual safety to the 19x after they were told they needed to have one, but it also increased the cost by $150 per gun. Glock also fell short in other specs like modularity, performance, ergonomics and other things like overall cost and preference by the independent testers. While the exact specs appear to never have been made public, there are enough articles online that credit Sig for beating Glock on most or all of the specs I mentioned here. End result is that Sig won the contract after extensive testing. I can never understand the Glock fan boy mentality when there are many good gun manufacturers out there and the fix on any bad incident is always “it wouldn’t happen if they had a Glock”. That’s inaccurate. I know many LEO’s and every one of them has a story about a Glock used in a negligent discharge many by fellow officers. Let the investigators figure out how this incident happened. The airman that lost his life deserves that respect so that it can prevent further similar incidents.
“Glock fan boy mentality” … seriously? Have YOU even owned, or even fired a Glock, for that matter? Obviously governments and LE organizations world-wide don’t share your views. 😏
LJ- a little defensive there. Yes, I have tried and fired most Glock models but have no intention of owning one so I am not responding based on ignorance. Great marketing, minimal parts, lowest bid and yes a good reliable gun gets the Glock into many police departments but it is not the best gun ever made. You keep your plastic fantastic and enjoy it. I’ll take a steel hammer fired pistol all day long over any polymer striker fired pistol. Staccato, Beretta, Walter, CZ, Dan Wesson and Sig 226’s and 229’s are or have steel hammer fired pistols that in my opinion are way better to shoot than any Glock. Tried and true designs that are completely safe when in the hands of a properly trained and safety conscious user.
OK, so we all now agree that did in fact Glock provide a prototype that met the basic requirements for further testing. That was the main clarification I wanted to address. I own a Glock 19, a very nice firearm. Not to in love with the Glock take down device but still clearly superior firearm in every regard.
I own more SIG P-320 FCU’s than I care to admit. I also own a SIG P-365 for CC. I bet heavily on SIG, and I am concerned about the controversies surrounding this firearm especially after some videos I have watched. I have had 1st hand negative experience with a SIG rail mounted flashlight and a very expensive red dot. The customer service was really bad at first, but I did get a better service rep later on the RD. I would NOT be considered a Glock fan boy, just calling balls and strikes. I am in no hurry to test the SIG electronics market anytime soon, best wishes for anyone that does.
As far as the testing process goes, I suspect that Glock invested a lot of time and money and might have been cheated during the testing process. Certainly, SIG undercut Glock on the per unit cost, but those projections might have been skewed. There was other aspects that SIG seems to have bested Glock but I am NOT truly certain if SIG was the best offeror. Either way, SIG is now the contractor and if there is problem then figure it out.
It’s hard to gage the military testing process with any certainty. Sure, hope a political suck up like General Miley was nowhere the tests.
Cool! If it met the requirements but did not get awarded the contract then they (Glock) have nothing to complain about. If they did indeed make the statements you mentioned above then they’re just piss poor managers. If you don’t want to compete for a government contract again keep it quiet. You may just anger potential customers and you might cut your company out of a lot of business.
Should have skipped the Congressional kick backs and billion dollar “studies” and bought Glocks. Millions of cops and security folks would be proof that Glocks work without all the drama. Period.
Why would he have a round in the chamber? They are not allowed to. They literally have to unload into a drum of sand. Sounds like a suicide to me.
USAF SF personnel carry a round in the chamber when armed with a handgun. When they are armed with a rifle/carbine, the chamber is empty and a loaded mag is in the weapon. The Army or Marines may or may not carry with a round chambered (I do not know nor claim to know) but AF does.
Tell me you’ve never been an Air Force cop without telling me that you’ve never been an Air Force cop.
That Olde SAC/USAFE/AMC/ACC cop.
During mobilization in 2020 my detachment of 86 soldiers were issued new M17s. During live fire training we had at a minimum 6 pistols suffer major malfunctions. The slide cap detached during firing striking multiple soldiers in the face. Luckily the two soldiers were stuck in the eyepros, which preformed as needed, sustained bo major injuries. This repeated failure did cause a loss of confidence within the detachment.
It’s a real shame that a service member was killed because of that pistol. I had a P320 but I got rid of it. I kept running into reports of it being unsafe. My primary carry is a Smith & Wesson MP9C (without a manual safety), the old 1.0 version. It’s accurate and it’s been 100% reliable. The standard size S&W M&P9 2.0 would be a great sidearm for the military. Glocks are OK, but they do not fit everyone’s hands. Glocks are NOT a natural fit to my hand. The M&P fits my hand perfectly when I have the right size backstrap installed. The M&Ps come with 3 different sized backstraps that allow for a better fit to the user’s hand. Those backstraps attach securely, but they can be changed easily.
The M&P is an American made handgun. They’re made in Tennessee.
Yes, Glocks have a 22-degree grip angle, and those finger grooves were ill advised.
I think there is enough information and incidents to determine that the M17/M18 have a serious defect and it is time to remove and replace this firearm.
Very unfortunate…one word. Glock. Beat them, run over them, throw them. They shoot only with a finger pull. Very simple. Sorry Glock haters but the system works.
Funny how the majority of not all of these incidents with p320’s are happening with law enforcement or military personnel. It’s almost as if these incompetent and poorly trained soldiers/officers are trying to hide their poor skills and lack of care behind an old issue that was already fixed…
Guess you missed the whole “placed his holstered handgun” on the desk! Yes if he had turned the muzzle in a different direction he might still be alive or maybe he was around others and didn’t want to flag them where someone else might have been shot. There are several incidents caught on video where a P320 has just discharged for no apparent reason, nobody touched it and went off in holster. There’s a video of a cop in his station talking to others when his discharged in his holster. I’m not trying to make excuses for poor training because that happens everywhere, just saying these guns are junk!
Maybe Could of been squib round idk
“incompetent and poorly trained soldiers/officers ” You have no idea how military people are trained. As a former military member I can tell you with certainty it has nothing to do w/training. You insult every service member with you false and frankly slanderous comment.
That “old issue”, clearly has not been fixed.
I have other words I might have used regarding your comment, but I don’t want my post taken down.
You may have a point. I love handguns and have many. My P320 X-Carry has lived in my shoulder rig for years. They just don’t go off when you have them holstered. This applies to every single handgun I’ve ever owned.
I can’t imagine this investigation would take more than five or 10 minutes.
1) was the manual safety on when they found the pistol
2) is the airman having financial or personal problems
Investigation over.
I’m not ready to hang Sig for this considering the number of M 18s in service versus the number of accidental shootings. All accidental shootings are operator errors so… Why did he take his gun out in the office? Why did he lay it on the desk? Why was it pointing at him which goes against everything military personnel are taught about gun safety? Why did he ignore rule number one in gun safety?
To me it’s operator error and a possible suicide. Even if, huge if, the safety failed… He did not maintain muzzle discipline.
Good points. Is there zero departmental compensation for suicide as opposed to an Accidental discharge” that could blame Sig?
Most suicides are covered “in the line of duty“ active duty personnel. I’m more considering whether it had to do with religious beliefs of the family, especially the parents. I think a parent would have a harder time with the suicide, then an accidental shooting. We’ll see what happens with this case with SIG because apparently some commenters think I don’t know how a safety works.
You obviously dont know how the safety works on that pistol. Very clever of you to suggest suicide.
The only military I’m aware of these days who don’t keep a round in the chamber is the Israeli Defense Force and I seriously doubt that policy is currently being followed.
How in the heck do you kill yourself by putting your duty rig/holstered pistol on a table and then what? Insult it and wait for the inanimate object to get mad enough to shoot you?
Exactly… This smells a little funny from a very long distance.
I have a G19, but still prefer a hammer fired pistol.
Go back to the best military handgun ever made……. The 1911 in .45. I have openly carried a well holstered 1922, in .45, sine the Navy gave me my first. I have used them in combat and they have never failed me.
I understand your sentiment for the 1911, I too love that old classic! But in this day and time it’s FAR from the best design for a military handgun. Too many “bells and whistles”, a slow rate of fire, minimal magazine capacity at only 8 rds, and even the ‘ol venerable .45acp rounds’ performance pales in comparison to the newer hi and lo-velocity 9mm rounds available to the military. Some of the hi-velocity rounds offer higher kinetic energy than the ball .45acp.
Technically – yes – the .45acp has more so called “stopping power”, or once did, but I would much rather have a light weight 9mm with a faster rate of fire, up to a 30rd magazine, than a heavy steel pistol with only 8rds of a slow moving 230gr slug with a rainbow trajectory and a design with less than stelar accuracy. The .45acp was an outstanding round out of a tommy gun during WW2 for trench work, i.e., spray & pray, but there are many reasons the military no longer uses it, and the ‘ol 1911.
I like the old DA/SA Sigs a lot. I am very glad I never picked up a P320. Sig has a huge PR issue and I do not think the liability waiver given to them in NH is going to help. Many, if not most, of these accidental discharges reported in recent months and years have to be attributable to the gun and not to the user. I have not heard of any other striker fire gun with this kind of reputation. If their stock was publicly traded and I owned some, I would have dumped my shares a long time ago.
I would say the holster is as great a suspect as the gun. If not an issue holster and he just kinda chucked it down on the desk … condolences to the family.
The M-17 has other issues. Out of 48 pistols at my unit, two had their rear sights fly off during IWQ, five more were loose and about to come off. That’s after 30 rounds. At the MAC 2 match, over 30% had the same problem across all the teams. I believe having parts come off while firring would be considered a problem but what do I know??? The fix? Buy a bunch of Glock 17s and a handful of G19s and call it a day. And kill that M-7 monstrosity while we’re at it.
I have never received a weapon in my care and not gone through it 100% before I handed it down to one of my brothers… But that’s just me!
The M18 and M17 have an external safety that when placed in the ON position prevents the trigger from being moved and as another poster noted, it should never point at a person until that action is a necessity. An improper holster that moves the trigger back past the wall would not be an issue if the safety is ON. Condolences to the family and the Air Force for this tragedy but improper training and/or complacency are the direct causation of many a tragedies.
We know user error is a part of the problem because the Sargent put the pistol down pointed at himself! A principal rule of gun handling is never pointless it at a person unless you want to shoot that person!
It was still in the holster. A handgun in the holster is considered inert/safe.
WRONG answer. I have seen a round in the chamber, holstered weapons with the safety off. Unless you look at the weapon itself trust no one or the weapon.
Bingo. If the weapon was required to be loaded in the facility, it should have stayed on his belt. Otherwise, head to the clearing barrel, clear the weapon properly, following Universal Gun Safety Rule #2. Before you do **anything** else. No one gets hurt.
That sad-case airman paid the ultimate price for poor weapons discipline.
This is completely aside from what seems to be a cascading story of poor engineering or manufacturing execution. SIG Is definitely not the same company that produced the extraordinary P-series of pistols from the late 70’s through the early 2000’s.
Trying to understand why he would set h is weapon down facing him??
See reply to above. Handguns in holsters are considered inert/safe.
Until they’re not.
Still laying your weapon done holstered or not pointing that muzzle toward you is unacceptable, should have been played down muzzle away from you
Should have been cleared as soon as it left his side.
You are the first person I’ve ever heard say that. Although, if one carries in a horizontal shoulder rig, then that is already accepted I guess.
I’ll stick with not pointing my gun at anything I don’t intend to shoot.
As far as I’m concerned those underarm shoulder holsters that point straight back behind you are a safety hazard and should not be on the market.
I am a huge fan of the M1911 platform, but with that being said, why the Military did not select the Sig Sauer P226 many years ago is Echelons above my understanding. It is in my opinion and experience the best “Go to War” sidearm ever devised. My most sincere condolences to the deceased and his family.
Should have stuck with Berretta. The M9 and 92 platform has had numerous upgrades to it over the years. It is a proven design!
They had their own issues, but safety wasn’t one of them. Glocks have been proven everywhere and are what the elite British SAS picked, that’s good enough for me. (Made the PA Govenor’s 20 with a M9 the first three times I did, so I’m still fine with them).
I have no major issues with Glock, other than the 42… I would prefer the Berretta for two major reasons. It’s all metal construction and it is DA/SA.
The fact that Sig has previously denied any design defects leading to firings without the triggers being touched has tarnished them so much, in my opinion, that I will never purchase another Sig firearm. Not only do I no longer trust Sig for safety, but their firearms are overpriced, again in my opinion. It also seems suspect to me that Sig gets literally every US military contract now.
should have bought the tried, true, and tested glocks!
Or the S&W M&P platform, which is rather aptly named, BTW.