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Air Force plans to keep its M18 pistols

The Air Force’s small arms budget is focused on “older and higher priority weapons,” a service spokesperson said.

Jeff Schogol
Published Aug 5, 2026 10:30 AM EDT

The Air Force plans to stick with the M18 pistol as its sidearm, which the service has been issuing to airmen for the past several years, an Air Force spokesperson said.

Made by Sig Sauer, the M18 pistol is a compact variant of the Army’s Modular Handgun System. Since 2017, all the military services have adopted the M18 and the full-sized M17 to replace the M9 pistol, which first entered service in 1985...

Complete article:

https://taskandpurpose.com/new...istols/[FLASH_VIDEO] [/FLASH_VIDEO]
 
Posts: 16478 | Location: Eastern Iowa | Registered: May 21, 2000Reply With QuoteReport This Post
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I'm not surprised. Texas DPS, which I think is Sig's largest LE contract with 6000 sworn members is sticking with their P320's, having not reported ANY incidents involving the platform since they began issuing them.

I'll say this, I'm indifferent to the P320 and their variants. I don't own one, but I'm not opposed to owning one. However there are over 4,000,000 of them in circulation. Now I don't keep up, but it seems to me I've only started to hear about the self firing issues in the last two years. I'm pretty sure the P320 has been around for about 12 years. Have there been incidents reported between then, and two years ago? I feel like we would have heard about it more frequently much prior than all the recent YouTube videos of the last two years.

This message has been edited. Last edited by: Sig Sauer: For Hire,


"Kachi wa saya no naka ni ari" ("Victory comes while the sword is still in the scabbard")

 
Posts: 1125 | Location: North Texas | Registered: November 14, 2002Reply With QuoteReport This Post
Honky Lips
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I've also not seen anything lately about the 320 having problems.


_____________________________________________
Proverbs 3:31 "Envy thou not the oppressor, and choose none of his ways."
 
Posts: 9487 | Location: Great Basin | Registered: July 24, 2009Reply With QuoteReport This Post
Fighting the good fight
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The 320 is fine. I don't blame the military/TXDPS/etc. for sticking with what they've already invested in.

I just don't use my P320 any more because the new larger format P365s like the XMacro and Fuse do everything a P320 does but better. (And without the associated social media driven drama/stigma.)

So while I don't see many new P320 agency adoptions in the future, with the P365 being a better option for a Sig duty gun, the P320 will continue in service for a while with existing adopters.
 
Posts: 35426 | Location: Northwest Arkansas | Registered: January 06, 2008Reply With QuoteReport This Post
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I still enjoy the 320 and have several. There's an AXG on my nightstand. Yes, the 365 is better for concealed carry, but I like the feel of the 320 and tend to shoot it more accurately, especially the ones with alloy frames.
 
Posts: 17717 | Location: Lexington, KY | Registered: October 15, 2006Reply With QuoteReport This Post
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Unless a consistently dangerous situation is confirmed ( incidents thus far have been mostly isolated and not reproducible) sticking to your guns pun intended makes sense. In a large organization like the USAF the monumental investment in guns holsters magazines armorer classes spare parts and individual service member training outweighs anything else. Honestly I did two deployments with the M9, and the switch to the 320 seemed like a waste to me. Not really gaining anything that could not be overcome with more training which the military is notoriously weak on pistol training
 
Posts: 3836 | Location: Finally free in AZ! | Registered: February 14, 2003Reply With QuoteReport This Post
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It's interesting that the Air Force specifically sounded off. Have the other branches said anything different (or anything at all) about the same subject?
 
Posts: 861 | Registered: April 14, 2018Reply With QuoteReport This Post
Sigforum K9 handler
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quote:
Originally posted by MacGyver:
It's interesting that the Air Force specifically sounded off. Have the other branches said anything different (or anything at all) about the same subject?



The other branches didn’t spread hysteria about the gun.


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Posts: 38622 | Location: Logical | Registered: September 12, 2004Reply With QuoteReport This Post
Prepared for the Worst, Providing the Best
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quote:
So while I don't see many new P320 agency adoptions in the future, with the P365 being a better option for a Sig duty gun, the P320 will continue in service for a while with existing adopters.


Indiana State Police just went to them earlier this year...April or May IIRC. They went with an optic-equipped variant with the TXG grip, and are retiring their P227s. The TXG grip seems an odd choice to me for a duty gun, as that's a noticeable amount of extra weight to carry around all day, but I'll bet they shoot nicely.


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Posts: 11993 | Location: In the Cornfields | Registered: May 25, 2006Reply With QuoteReport This Post
Honky Lips
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quote:
Originally posted by RogueJSK:
The 320 is fine. I don't blame the military/TXDPS/etc. for sticking with what they've already invested in.

I just don't use my P320 any more because the new larger format P365s like the XMacro and Fuse do everything a P320 does but better. (And without the associated social media driven drama/stigma.)

So while I don't see many new P320 agency adoptions in the future, with the P365 being a better option for a Sig duty gun, the P320 will continue in service for a while with existing adopters.


2nd the 365 is basically the perfect handgun for me.


_____________________________________________
Proverbs 3:31 "Envy thou not the oppressor, and choose none of his ways."
 
Posts: 9487 | Location: Great Basin | Registered: July 24, 2009Reply With QuoteReport This Post
Fighting the good fight
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Yeah, I'd venture to say that the P365 XMacro is the "Glock 19" of the 2020s... Large and capable enough for duty/bedside carry while also being compact and thin enough for easy off duty/concealed carry.

Mine is now seeing more carry time than my G19.
 
Posts: 35426 | Location: Northwest Arkansas | Registered: January 06, 2008Reply With QuoteReport This Post
Down the Rabbit Hole
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quote:
Originally posted by FenderBender:
quote:
Originally posted by RogueJSK:
The 320 is fine. I don't blame the military/TXDPS/etc. for sticking with what they've already invested in.

I just don't use my P320 any more because the new larger format P365s like the XMacro and Fuse do everything a P320 does but better. (And without the associated social media driven drama/stigma.)

So while I don't see many new P320 agency adoptions in the future, with the P365 being a better option for a Sig duty gun, the P320 will continue in service for a while with existing adopters.


2nd the 365 is basically the perfect handgun for me.




I just don't see it. I've seen far too many reports of parts breaking within relatively low round counts with the P365. IMO, in their current design (regardless of slide/frame length), they are not duty grade pistols designed for hard use.


Mickey from CarryTrainer did a video where he discusses some of the issues he has seen during training classes with the P365. This matches a number of reports from other sources as well as my own observations. Don't expect these guns to hold up like a true duty grade pistol like a Glock or M18/P320 for that matter without making some changes. They got a lot right with the P365 but in its current form, it ain't it for a duty weapon.


Which is better? Sig P365 vs Glock 43X and 48

https://www.youtube.com/watch?v=D4Tp7e7X3Cg&t=460s



Diligentia, Vis, Celeritas

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Posts: 5620 | Location: North Mississippi | Registered: August 09, 2002Reply With QuoteReport This Post
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the room together.
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quote:
Originally posted by Jupiter:
They got a lot right with the P365 but in its current form, it ain't it for a duty weapon.


I agree 1000%. I don't consider the P365 to be durable enough for a duty gun. Just my opinion. (I'm issued a P320 to carry by the way)

The P365 trigger return spring that breaks every 4000 ish rounds is a huge weakness. Yes its a $5 part that can be changed in 2 minutes but still.


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Posts: 6833 | Location: Floriduh | Registered: October 16, 2004Reply With QuoteReport This Post
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quote:
Originally posted by captain127:
Unless a consistently dangerous situation is confirmed ( incidents thus far have been mostly isolated and not reproducible) sticking to your guns pun intended makes sense. In a large organization like the USAF the monumental investment in guns holsters magazines armorer classes spare parts and individual service member training outweighs anything else. Honestly I did two deployments with the M9, and the switch to the 320 seemed like a waste to me. Not really gaining anything that could not be overcome with more training which the military is notoriously weak on pistol training


The M9 was a horrible gun for a desert environment--the open slide design allowed all kinds of sand and grit into the gun. When I was issued a G19, I was very happy to make the switch. Unfortunately, I missed the M17/M18 rollout as I was retiring--but I'd take the M18 over M9 any day...but the G19 would be a hairs-width second.

I also took responsibility for getting my own training beyond what the USAF was providing (which was shit, TBH--nothing more that qualification training, not employment). Then I was assigned to units that did no-shit weapons employment (and no, not "secfo"). I'm sure our USAF experiences were very different.
 
Posts: 1791 | Location: South.....Carolina | Registered: May 25, 2006Reply With QuoteReport This Post
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quote:
Originally posted by SIGguy229:
quote:
Originally posted by captain127:
Unless a consistently dangerous situation is confirmed ( incidents thus far have been mostly isolated and not reproducible) sticking to your guns pun intended makes sense. In a large organization like the USAF the monumental investment in guns holsters magazines armorer classes spare parts and individual service member training outweighs anything else. Honestly I did two deployments with the M9, and the switch to the 320 seemed like a waste to me. Not really gaining anything that could not be overcome with more training which the military is notoriously weak on pistol training


The M9 was a horrible gun for a desert environment--the open slide design allowed all kinds of sand and grit into the gun. When I was issued a G19, I was very happy to make the switch. Unfortunately, I missed the M17/M18 rollout as I was retiring--but I'd take the M18 over M9 any day...but the G19 would be a hairs-width second.

I also took responsibility for getting my own training beyond what the USAF was providing (which was shit, TBH--nothing more that qualification training, not employment). Then I was assigned to units that did no-shit weapons employment (and no, not "secfo"). I'm sure our USAF experiences were very different.


I agree the massive open top of the slide was a big “ enter here” sign, but for me even running in dusty armored vehicles and such I had no problems. I was however very fussy on keeping her clean. Before and after every mission out of the wire, and once a week if I didn’t go out. The biggest issue I had was the roughness and grit in the issue checkmate mags. I actually brought my own personally owned magazines which helped, but unloading disassembled and cleaned mags weekly
 
Posts: 3836 | Location: Finally free in AZ! | Registered: February 14, 2003Reply With QuoteReport This Post
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Now the Army has also issued a statement supporting the M17/M18 MHS as "safe and reliable" and refuting "public speculation and online misinformation":

From https://cpeground.army.mil/New...s-safe-and-reliable/

quote:
Department of War Confirms Modular Handgun System (MHS) is Safe and Reliable

By CPE Ground Army

Despite public speculation and online misinformation regarding the pistol's safety, Project Manager Soldier Lethality (PM SL), the Department of War’s official lead for the Modular Handgun System (MHS), confirms that there has never been a mechanically-caused accidental discharge. All investigated incidents of alleged "uncommanded discharges" have been traced back to the trigger being pulled.

Rigorous Testing and Safety by Design

The MHS, comprised of the M17 (full-size) and M18 (compact) 9mm striker-fired pistols, is a thoroughly tested, safe, and reliable weapon system for the modern Warfighter. Since the first systems were fielded to the 101st Airborne Division in 2017, the MHS has replaced the legacy M9 and M11 pistols and is now in service with over 400,000 pistols across the U.S. Army, Air Force, Marine Corps, and Navy.

The MHS was designed with four internal safety mechanisms (primary sear notch, secondary sear notch, striker safety lock, and a disconnector safety mechanism) and features an external ambidextrous manual safety, bringing the total number of safety mechanisms to five.

Before fielding, the MHS underwent extensive Production Verification Testing, where over 200 pistols fired more than 1.5 million rounds. This testing regimen included evaluations for reliability, durability, accuracy, rough handling, drop safety, and performance in extreme environmental conditions. Early in this process, engineering changes were implemented to address and rectify all initial drop-test concerns, and these updates were applied to every MHS pistol before it was fielded.

To ensure quality and safety during production, the government performs Lot Acceptance Testing (LAT) for each production lot. During LAT, Defense Contract Management Agency (DCMA) Quality Assurance Representatives (QARs) randomly selects a statistically significant number of samples from each production lot to undergo LAT. If any weapon fails LAT, the entire lot is rejected. All lots of weapons produced to date have passed LAT prior to being fielded to warfighters.

Investigating Field Incidents

When a potential uncommanded discharge is reported in the field, the Army follows a stringent investigation protocol to determine the cause. According to the Army Safety Management Information System 2.0 (ASMIS 2.0), reported firearms mishaps account for less than 0.006% of all MHS pistols issued.

When a report is filed within ASMIS, the weapon is promptly shipped to the contractor in the same configuration as it was when the incident occurred. Once the weapon arrives at the contractor’s facility, the Combat Capabilities Development Command (DEVCOM) Small/Medium Caliber Weapons Branch Chief is notified. DCMA will have the contractor open the box to verify the serial number. After the serial number is verified, the weapon is escorted and secured under U.S. Government property control pending the investigator's arrival. Once the investigator is present, the weapon is brought out of the property cage and the investigation begins.

The investigation process is meticulous:

Visual inspection of the weapon in its current state
Examination of the weapon to check all safeties, internal and external, are functioning correctly
The weapon is taken into the range where it is functionally tested with live ammunition. At least 1 (One) 21 round magazine is used to verify proper function of all safeties.
After the range, the weapon is moved back to the armorer’s bench where the striker operation is thoroughly tested
Finally, the weapon is broken down to each individual part to ensure all the parts look normal.
After this, the weapon is cleaned and returned to the original unit.


To date, all investigated incidents of alleged "uncommanded discharges" have been traced back to the trigger being pulled, and not due to an issue with the firearm. Investigators have been unable to induce a discharge without disengaging the manual safety and pulling the trigger.

Joint Service Confidence

Most recently, a review of the MHS was initiated after the Air Force reported a potential "uncommanded discharge" involving the tragic loss of an Airman. As the lead for the MHS program, PM SL immediately engaged with our Air Force partners to assist in developing and implementing a Supplemental Inspection Criteria (SIC) as a precautionary action to investigate the incident and validate the weapon's integrity.

The USAF’s SIC effort mandated a 100% inspection of the DAF's "in-use" M18 inventory. It is confirmed that of the nearly 114,000 pistols inspected to date, none exhibited any conditions that could have led to an uncommanded discharge.

PM SL is confident that the MHS pistol continues to meet and exceed that standard for the entire Joint Force. The DAF's Director of Security Forces, Brig. Gen. Brian Filler, affirmed this, stating, “It can now be stated that the M18 is safe and reliable for DAF missions.”
 
Posts: 35426 | Location: Northwest Arkansas | Registered: January 06, 2008Reply With QuoteReport This Post
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quote:
Originally posted by RogueJSK:
Now the Army has also issued a statement supporting the M17/M18 MHS as "safe and reliable" and refuting "public speculation and online misinformation":

Thank you.




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Posts: 49827 | Location: 10,160 Feet Above Sea Level in Commirado | Registered: April 04, 2002Reply With QuoteReport This Post
Told cops where to go for over 29 years…
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I was talking to the local Pawnshop/FFL that does my transfers today when I picked up my new pea shooter (Savage Mark II .22LR) about consignment fees and such.

He flat out said he wouldn’t do a P320 at any price, damage to reputation has been done. While he hasn’t seen it himself said he has customers that claim they made theirs go off by manipulating slide or wiggling gun in holster.






What part of "...Shall not be infringed" don't you understand???


 
Posts: 12255 | Location: Western WA state for just a few more years... | Registered: February 17, 2006Reply With QuoteReport This Post
E tan e epi tas
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While I think the P320 thing was blown out of proportion and I think a slightly heavier or redesigned (dingus) trigger would have "fixed" the issue so to speak what did folks expect the Air Force and Army to say even if it was even more widespread?

"aahhh we fucked up? Sorry bout' that. You know General so and so works for SIG and he was a good guy so we figured........but shit happens, we fucked up and will now be procuring 11 million Glock 45's blah blah etc. etc."

I mean the damn things would have to be going off like grenades in the holsters weekly for .MIL to say anything different/change direction.


Take Care, Shoot Safe,
Chris
 
Posts: 8746 | Location: On the water | Registered: July 25, 2002Reply With QuoteReport This Post
Fighting the good fight
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quote:
Originally posted by cslinger:
While I think the P320 thing was blown out of proportion and I think a slightly heavier or redesigned (dingus) trigger would have "fixed" the issue so to speak what did folks expect the Air Force and Army to say even if it was even more widespread?

"aahhh we fucked up? Sorry bout' that. You know General so and so works for SIG and he was a good guy so we figured........but shit happens, we fucked up and will now be procuring 11 million Glock 45's blah blah etc. etc."

I mean the damn things would have to be going off like grenades in the holsters weekly for .MIL to say anything different/change direction.


To be fair, they've done that a number of times over the years.

UCP camo was in use for just 6 years before it started being phased out in favor of Multicam and then OCP. (And they had been testing replacements even prior to that.)

And the M14 was fielded for just 7 years before it began to be replaced by the M16.

So changing course and replacing the M17/M18 9 years after its adoption would be within a similar timeframe, if it was determined to be necessary.

Which it isn't.
 
Posts: 35426 | Location: Northwest Arkansas | Registered: January 06, 2008Reply With QuoteReport This Post
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