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Brand New P320c Failure To Eject Issues

This is a discussion on Brand New P320c Failure To Eject Issues within the P250 & P320 Modular Pistols forums, part of the SIG Sauer Pistols category; Purchased the gun just over a week ago and finally got around to bringing it out to the range before a training class, so I ...


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Old 10-26-2016, 04:53 AM   #1
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Brand New P320c Failure To Eject Issues

Purchased the gun just over a week ago and finally got around to bringing it out to the range before a training class, so I really only had ~20minutes to put some rounds through it.

It is a P320c MA compliant model with external thumb safety. I removed all of the preservative lubricant from the factory and used Slip2000 EWL on all appropriate locations.

Ammunition was Blazer Brass 115gr FMJ. Ive shot ~2 cases of this exact stuff through my VP9 without issue. I feel its the best "bang for the buck" range ammo available to me locally.

I personally loaded up 2 magazines and quickly ripped through them. No issues, reloaded both mags and the wife stepped up to the plate. Shes smaller than average (5'1" 105lbs) but has a pretty good foundation for shooting. She has shot plenty and loves my VP9.

She shot 2 rounds, and a Failure to Eject happened. I wish I had taken a picture but I can only explain it as follows:

The extractor fully pulled the casing out of the barrel and started to "flick" it out but the slide started to move forward before it was fully removed. The slide started to load another round up the feed ramp and the previous shell got wedged between the slide and the barrel hood, preventing battery. I am guessing the slide just didn't come back far enough to get full use of the extractor pin but maybe the extractor spring is a little stiff still?

After jumping in to see why my new toy didn't go BANG again, my first reaction was "shes must be limp wristing" and suggested she hold the gun and her wrist as firmly as possible. I can fully see how the grip and feel would be very different than the VP9. Another 2 rounds and another FTE. She got a total of 3 FTE over 20 rounds.

I loaded up another magazine, shot 1 round and had an FTE myself and I KNOW that I was gripping properly. It was getting close to the start time for the class so I packed it up. I got a total of ~70 rounds down range with 4 FTE.

I am guessing it might be a combination of a few things. The 115gr is KIND of a light load but its worked fine for me in the past. It hadn't had a round through it yet so maybe the spring was still a little stiff?

Any thoughts? Should I be worried? I really liked how it shot (even more than I thought that I would) and would hate to have to return it.
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Old 10-26-2016, 05:58 AM   #2
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Probably a Coincidence..

I put 200+ rounds through my P320 Full yesterday and for the first time had 8 FTE's, same as you describe. I was using Winchester 9MM 115gr ammo which had previously fired flawlessly in the gun. The only difference this time was I hadn't lubed the gun prior to going to the range. I usually use TW25B grease before firing any of my automatics. It was also chilly with temps in the low 40's. After switching to Aguila 124gr, I fired 100+ rounds with no problems.

I bought the gun 2 months ago and this is just the second time I've Fired it. Probably not the same issue you're having but I thought I'd share.
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Old 10-26-2016, 06:03 AM   #3
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Some of use feel a new handgun deserve a quality ammo . Not 115gr slow poke ammo . Maybe the extractor is peeling a bit of the aluminum off the "brass " and build up in the extractor area is causing an issues . Maybe its the low powered blaser aluminum . Clean your chamber and extractor and run 50 to 100 rounds of proper 124gr +P thru it to and see if its 199% reliable . Then a good brass 124gr Remember the 9mm use's the same recoil assembly as a 357sig and 40 sw . I run a 40sw 155gr load that manages to exceed 1300fps

After 300 or 400 rounds you may find your 9mm p320 will run fine on what ever pass's a Plunk Test . Google it if you don't know what that is .

You may find your wife could use a small circumference grip for her to have better control . Same circumference as the SC just longer . Never assume all handguns are equal in the ammo they function reliably with . I have had ammo that would chamber in a m&p 40sw but not my tp40 kahr or a cartridge gage block


But a box of Nytrile gloves , there cheap . Good for keep hand clean while shooting or cleaning and aid in grip control greatly .
Nitrile Gloves - 100 Pack of Disposable Nitrile Gloves, Large Same circumference as the SC just longer . Never assume all handguns are equal in the ammo they function with .
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Old 10-26-2016, 06:11 AM   #4
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Quote:
Originally Posted by DPeter85 View Post
Purchased the gun just over a week ago and finally got around to bringing it out to the range before a training class, so I really only had ~20minutes to put some rounds through it.

It is a P320c MA compliant model with external thumb safety. I removed all of the preservative lubricant from the factory and used Slip2000 EWL on all appropriate locations.

Ammunition was Blazer Brass 115gr FMJ. Ive shot ~2 cases of this exact stuff through my VP9 without issue. I feel its the best "bang for the buck" range ammo available to me locally.

I personally loaded up 2 magazines and quickly ripped through them. No issues, reloaded both mags and the wife stepped up to the plate. Shes smaller than average (5'1" 105lbs) but has a pretty good foundation for shooting. She has shot plenty and loves my VP9.

She shot 2 rounds, and a Failure to Eject happened. I wish I had taken a picture but I can only explain it as follows:

The extractor fully pulled the casing out of the barrel and started to "flick" it out but the slide started to move forward before it was fully removed. The slide started to load another round up the feed ramp and the previous shell got wedged between the slide and the barrel hood, preventing battery. I am guessing the slide just didn't come back far enough to get full use of the extractor pin but maybe the extractor spring is a little stiff still?

After jumping in to see why my new toy didn't go BANG again, my first reaction was "shes must be limp wristing" and suggested she hold the gun and her wrist as firmly as possible. I can fully see how the grip and feel would be very different than the VP9. Another 2 rounds and another FTE. She got a total of 3 FTE over 20 rounds.

I loaded up another magazine, shot 1 round and had an FTE myself and I KNOW that I was gripping properly. It was getting close to the start time for the class so I packed it up. I got a total of ~70 rounds down range with 4 FTE.

I am guessing it might be a combination of a few things. The 115gr is KIND of a light load but its worked fine for me in the past. It hadn't had a round through it yet so maybe the spring was still a little stiff?

Any thoughts? Should I be worried? I really liked how it shot (even more than I thought that I would) and would hate to have to return it.
If you have plenty of snap caps, load up a magazine and set up your camera phone. Focus on keeping your gun in the exact same position and manually cycle the magazine. Go back to your phone and see if all the rounds ejected and landed in the same area. If they don't and are all over the place, then you probably have an ejector issue. If they do, then try a higher grain load and see if you have the same FTE problem. Could just be a tight recoil spring that needs some good ammo run through it for a couple hundred rounds.
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Old 10-26-2016, 06:57 AM   #5
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Quote:
Originally Posted by 6zfshdb View Post
I put 200+ rounds through my P320 Full yesterday and for the first time had 8 FTE's, same as you describe. I was using Winchester 9MM 115gr ammo which had previously fired flawlessly in the gun. The only difference this time was I hadn't lubed the gun prior to going to the range. I usually use TW25B grease before firing any of my automatics. It was also chilly with temps in the low 40's. After switching to Aguila 124gr, I fired 100+ rounds with no problems.

I bought the gun 2 months ago and this is just the second time I've Fired it. Probably not the same issue you're having but I thought I'd share.
Thanks for the response. Interesting that its also a low grain ammo that you're having issues with. Logically speaking, if the ammo just BARELY has enough to cycle the slide, it makes sense that the ejector would have issues fully ejecting.

Quote:
Originally Posted by Morbidly View Post
If you have plenty of snap caps, load up a magazine and set up your camera phone. Focus on keeping your gun in the exact same position and manually cycle the magazine. Go back to your phone and see if all the rounds ejected and landed in the same area. If they don't and are all over the place, then you probably have an ejector issue. If they do, then try a higher grain load and see if you have the same FTE problem. Could just be a tight recoil spring that needs some good ammo run through it for a couple hundred rounds.
I do. I will try that. thats a really good test to see if the ejector is functioning properly.
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Old 10-26-2016, 06:58 AM   #6
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Did you disassemble the slide and did you install the extractor and the spring assembly back in correctly?
I did not disassemble the slide assembly at all. Just the barrel, recoil spring and FCU. I might look up some guides on slide disassembly however just to familiarize myself with the mechanics.
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Old 10-26-2016, 07:07 AM   #7
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Dude. Pictures of the thumb safety model. I havent seen one yet.!.!.!.!.!.!.!
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Old 10-26-2016, 07:28 AM   #8
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I just picked one up Friday and have the same problem, I used freedom munitions new mfg 115 and WWB 115, failures to eject on almost every magazine. I picked up 500 rounds for break in and quit after 450 were fired. I tried 4 different mag's and called customer support. It took less than 10 minutes from when I dialed to print out me return label and have it dropped off at Fedex. I have some pretty nasty rings in my brass from what looks like chatter when the chamber was machined. I sent brass with the gun as they requested and I have some photo's of the failures.
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Old 10-26-2016, 07:33 AM   #9
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Some quick photos i snapped yrsterday at the range and 2 of the cases i saved from the failures.

I love the gun. It is accurate, feels good in the hand and the trigger is nice. I hope to have things sorted out. My intention was to use this a my new carry piece and to later attach a suppressor for some more fun times.
Attached Images
File Type: jpg 20161025_111058_1477492205079.jpg (461.6 KB, 183 views)
File Type: jpg 20161025_110837_1477492231537.jpg (431.0 KB, 165 views)
File Type: jpg 20161025_110502_1477492257916.jpg (426.8 KB, 175 views)
File Type: jpg 1477492301302-939067068_1477492358623.jpg (298.1 KB, 161 views)

Last edited by creepyrat; 10-26-2016 at 07:41 AM.
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Old 10-26-2016, 07:43 AM   #10
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Dude. Pictures of the thumb safety model. I havent seen one yet.!.!.!.!.!.!.!
Heres one I found on the interwebz. Looks the same though. At first, I absolutely hated it but now that I have been acquainting myself with it, it makes an excellent "thumbs forward" rest.

http://soldiersystems.net/blog1/wp-c...0/IMG_8285.jpg
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Old 10-26-2016, 08:02 AM   #11
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Originally Posted by creepyrat View Post
Some quick photos i snapped yrsterday at the range and 2 of the cases i saved from the failures.

I love the gun. It is accurate, feels good in the hand and the trigger is nice. I hope to have things sorted out. My intention was to use this a my new carry piece and to later attach a suppressor for some more fun times.
Thanks for that photo. I will absolutely be more attuned to the casings and see what that indicates.
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Old 10-26-2016, 11:01 AM   #12
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Quote:
Originally Posted by rscalzo View Post
Stay away from it. Use something similar to the EWL.

While not necessarily ammo related, WW has been having a large number of issues with their ammo. It happened to be a recent discussion with one of the more well known Sig members the other day during some down time Some of the issues have been determined to be intentional. I do not use their ammo at all.
1. By WW do you mean Winchester White Box Ammo?
2. Please explain more about some of the Ammo issues being intentional. Which Ammo and what issues and why...

Thank you.
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Old 10-26-2016, 06:27 PM   #13
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Originally Posted by hardluk1 View Post
Some of use feel a new handgun deserve a quality ammo . Not 115gr slow poke ammo . Maybe the extractor is peeling a bit of the aluminum off the "brass " and build up in the extractor area is causing an issues . Maybe its the low powered blaser aluminum . Clean your chamber and extractor and run 50 to 100 rounds of proper 124gr +P thru it to and see if its 199% reliable . Then a good brass 124gr Remember the 9mm use's the same recoil assembly as a 357sig and 40 sw . I run a 40sw 155gr load that manages to exceed 1300fps

After 300 or 400 rounds you may find your 9mm p320 will run fine on what ever pass's a Plunk Test . Google it if you don't know what that is .

You may find your wife could use a small circumference grip for her to have better control . Same circumference as the SC just longer . Never assume all handguns are equal in the ammo they function reliably with . I have had ammo that would chamber in a m&p 40sw but not my tp40 kahr or a cartridge gage block


But a box of Nytrile gloves , there cheap . Good for keep hand clean while shooting or cleaning and aid in grip control greatly .
Nitrile Gloves - 100 Pack of Disposable Nitrile Gloves, Large Same circumference as the SC just longer . Never assume all handguns are equal in the ammo they function with .
None of that should be necessary. Cheap range ammo should function just fine in any autoloader. When it works well in one gun, not the other, I look for the issue in the gun. The p320 is not a Kimber solo.
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Old 10-26-2016, 07:36 PM   #14
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Had the exact same problem with my 320C. Clean it again, including the extractor assembly. Lube it good and lock the slide back....leave it in the safe for about a week. It should be good to go. It's just really tight.

Shoot some heavy 147 grain through it, then switch back to the 115. You should be good to go.
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Old 10-26-2016, 09:46 PM   #15
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There appears to be anecdotal evidence that many P320s are shipping with bad extractors and/or pins. My original slide shot perfectly. Swapped to an FDE slide and soon it began to do exactly what you describe (and others). Called Sig and they warranty-turned it in 10 days. Shoots like a champ now (10 Mags of American Eagle 115 FMJ).
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