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P365 X Macro Issues - loading, auto slide release, barrel coat chipping

23K views 31 replies 18 participants last post by  airgunner  
#1 · (Edited)
Edit: Received firearm back from Sig (quick and easy turn around)

The below issues I had listed turned out to be false alarms, mostly. Sucking up my pride here for the sake of this helping others.

The barrel, in fact, was NOT chipping, and simply had fouling on it. I was certain it had been but I should have put a bit more elbow grease into the cleaning of it. Bit embarrassing, but hey, I hadn't ran into that serious of fouling after just 100 rds. I guess I'll need to use a more aggressive brush in the future. So to those who stated it was likely fouling: you were right. Thank you.

Regarding feeding issues with a loaded mag, however, Sig tech stated they polished the feed ramp and performed a test with 17rds. Successful conclusion and the "firearm passed function test and fired without malfunction".

And lastly, the tech stated "it is common on all pistols for the slide to sometimes release when a new loaded magazine is put into the pistol with the slide locked to the rear." I still find this to be a bit interesting as the several other striker-fired pistols I've owned and operated have quite literally never done this. However, it's not a big deal to me and I will admit it was pretty neat when that had occurred. I can easily live with this.

All in all, I'm happy with the service received from Sig. Less than one week for complete turn around!



Excited about this model, I decided to pick one up from a LGS last week. 100 rds through it and I'm experiencing a variety of issues. The pistol is currently in shipment to Sig for some gunsmith triage, but I thought I should post up my experiences for others who may (hopefully not) run into the same. Here goes...

1. The (2) 17rd mags are STIFF. On both, I've had to really crank down on the 16th round with their speed-loader to get the 17th round in. New mags, ok, maybe need a bit of break-in. However, trying to seat this full mag into the pistol with a closed slide was a bear. I quite literally had to slam the mag home for it to seat. This is where the big issue occurs. When I attempted to pull back the slide, it was hanging up... on the bullet. The slide would not pull back, so I dropped the mag for inspection. The bit of pressure I applied actually pushed the top (17th) bullet deeper into its casing (shortening the COL). Oof. Downloading 1 to 16 rounds worked fine.

2. When the pistol warmed up after the first spent mag, any mags that were loaded there after (with the slide locked back) would automatically release the slide the moment I drove the new mag home. Uhh, not good. The minor vibration caused by seating a mag should not be releasing the slide.

3. The barrel coating on the muzzle chipped away at around the 100 round mark, exposing the bare, rough steel underneath.

Ammo used: Winchester white box 115gr 9mm & Sig Elite Defense 115gr JHP
No internal modifications have been made to the pistol.

I'll keep this updated as communication with Sig continues. Disappointing. The pistol feels fantastic and shoots flat. I want to love it enough to rotate into my EDC.

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#3 · (Edited)
Not sure the barrel coating is chipping away. Take your finger nail and scratch that off around the barrel. Mine is doing the same and thought the same thing after shooting 100 rounds.

Ron
Scratch what off? Carbon would be the only substance on the end of the barrel. I hit it with CLP and a brush to ensure it's not, in fact, carbon buildup. Running a finger nail over it only confirms it's chipped coating. Definitely bare steel.

Do you have a photo of your barrel? I'm curious what it is that you scratched off of yours and if so, is the muzzle still the black coating from factory?
 
#4 ·
You're new here. Welcome. Joining to complain is not usually not the best way to introduce yourself.

#1. New mag's are almost universally stiff and have a break in period after which they become easier to load. Especially with the new trend of cramming as many rds as possible into every firearm. 17 rds in a mag that small is nearly impossible. Compare the size to the mags of full size guns that hold 17. I'm still shaking my head trying to figure out how they get 17 rds in a mag that small.

#2 Many semi-autos made by many manufacturers will do the same. Some shooters prefer it as it speeds the loading process.

#3 The barrel shouldn't be chipping. If it is Sig will fix it. Quickly.

Again. Welcome to the forum. Read some threads. You'll learn much.
 
#5 ·
You're new here. Welcome. Joining to complain is not usually not the best way to introduce yourself.

#1. New mag's are almost universally stiff and have a break in period after which they become easier to load. Especially with the new trend of cramming as many rds as possible into every firearm. 17 rds in a mag that small is nearly impossible. Compare the size to the mags of full size guns that hold 17. I'm still shaking my head trying to figure out how they get 17 rds in a mag that small.

#2 Many semi-autos made by many manufacturers will do the same. Some shooters prefer it as it speeds the loading process.

#3 The barrel shouldn't be chipping. If it is Sig will fix it. Quickly.

Again. Welcome to the forum. Read some threads. You'll learn much.
Appreciate the welcoming. Thank you, glad to be here.

I'm sorry you interpreted my post as "complaining". I searched the net for similar issues to mine and came up with nothing. Perhaps my post (which will include updates) will help others who may experience the same? To those: you're welcome, you're not alone.

"#2 Many semi-autos made by many manufacturers will do the same. Some shooters prefer it as it speeds the loading process."

Agreed, mostly. However, when Sig specifically states this pistol should NOT be doing this, then clearly there is a problem. A single problem has potential to compound into others.
 
#6 ·
OP, load 16 in your magazines until they break in, you aren't going to really miss that one extra for the first 400 or so. Like others said, the slide can slam home if you slam magazines in, nothing to worry about. If your barrel really is losing the coating on the end, stop writing about it here and call Sig customer service. I hear they are great and will take care of your issue for you. Who knows, you might have a new barrel before the end of the week if you call tomorrow.
 
#7 ·
You missed the part where I said it's on its way to Sig. All good.

I disagree with your first suggestion. A firearm, especially one intended to be used for self defense, should function correctly and by its intended design. Ease of loading is one thing, but failure to cycle or chamber due to a mag "not being broken in" is unacceptable.

Sig customer service has been great, so far. I look forward to providing current and future X Macro owners some helpful information as I come across it.
 
#12 ·
Looks like everyone got it covered. I noticed the extreme tight first round chambering to full battery as well. I would recommend a Up LULA or my new favorite the Speed Beez magazine loaders...both load to full capacity easily. Keep them max loaded and they will relax a little with time. Also if you want to try Magguts which expands capacity, they will allow easier loading and chambering the first round...i use a few magazines with them for training. I only carry stock magazines for defensive carry for legal reasons.

Sent from my SM-N986U1 using Tapatalk
 
#13 ·
1. The (2) 17rd mags are STIFF. On both, I've had to really crank down on the 16th round with their speed-loader to get the 17th round in. New mags, ok, maybe need a bit of break-in. However, trying to seat this full mag into the pistol with a closed slide was a bear. I quite literally had to slam the mag home for it to seat. This is where the big issue occurs. When I attempted to pull back the slide, it was hanging up... on the bullet. The slide would not pull back, so I dropped the mag for inspection. The bit of pressure I applied actually pushed the top (17th) bullet deeper into its casing (shortening the COL). Oof. Downloading 1 to 16 rounds worked fine. I have only loaded 15 rounds at a time in the mags. I'll try and load them up to 17 and see what happens.

2. When the pistol warmed up after the first spent mag, any mags that were loaded there after (with the slide locked back) would automatically release the slide the moment I drove the new mag home. Uhh, not good. The minor vibration caused by seating a mag should not be releasing the slide. I didn't have any auto-releases on the slide. It seems to be working normally for me.

3. The barrel coating on the muzzle chipped away at around the 100 round mark, exposing the bare, rough steel underneath. The muzzle on mine is chipped away a bit as well. I am wondering how Sig will address this.

Ammo used: I used all 124gr FMJ
 
#15 ·
In for the info and updates on the barrel issue particularly. Wondering how long it takes you to get it back to with all this delivery nonsense going on now with the delivery carriers. I would not be happy though if the barrel issue crept up on this model since it being a brand new, hottest thing going for Sig at the moment 365.
 
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#17 ·
So I have about 300rds through mine and here's my experience so far...

1. The mags are stiff but not an issue IMO and they will loosen up. The first couple of times I loaded them I needed the maglula to get the 16th and 17th rounds in. Now I can do it by hand.

I have not had any issues inserting a full loaded mag regardless of whether the slide was open or closed.

2. Yes, mine does that too but I don't consider that an issue and its not the only gun I have that will do that. Some people even consider that a feature and have tried to modify their guns to make them do that. Now I wouldn't go that far but I don't see that as an issue in the least. I can't think of any reason why I would insert a loaded mag and not want the slide to release?

3. 300rds through mine and the barrel looks fine

Ammo used: Speer Lawman 115gr TMJ's and Speer Golddot 124gr +P
No internal modifications have been made to the pistol.

When I first got mine, I noticed that I couldn't release the slide on an inserted empty mag but now that it's got some rounds through it I can.

First time at the range, I found I was shooting low/left. Weird as I don't have that issue with any of my other Sigs. Replaced the backstrap with the "large" version and that made a noticeable difference.
 
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#21 ·
Edit: Received firearm back from Sig (quick and easy turn around)

The below issues I had listed turned out to be false alarms, mostly. Sucking up my pride here for the sake of this helping others.

...
All in all, I'm happy with the service received from Sig. Less than one week for complete turn around!
All's well that ends well. Glad they got you taken care of. :cheers:
 
#27 ·
Edit: Received firearm back from Sig (quick and easy turn around) The below issues I had listed turned out to be false alarms, mostly. Sucking up my pride here for the sake of this helping others. The barrel, in fact, was NOT chipping, and simply had fouling on it. I was certain it had been but I should have put a bit more elbow grease into the cleaning of it. Bit embarrassing, but hey, I hadn't ran into that serious of fouling after just 100 rds. I guess I'll need to use a more aggressive brush in the future. So to those who stated it was likely fouling: you were right. Thank you. Regarding feeding issues with a loaded mag, however, Sig tech stated they polished the feed ramp and performed a test with 17rds. Successful conclusion and the "firearm passed function test and fired without malfunction". And lastly, the tech stated "it is common on all pistols for the slide to sometimes release when a new loaded magazine is put into the pistol with the slide locked to the rear." I still find this to be a bit interesting as the several other striker-fired pistols I've owned and operated have quite literally never done this. However, it's not a big deal to me and I will admit it was pretty neat when that had occurred. I can easily live with this. All in all, I'm happy with the service received from Sig. Less than one week for complete turn around! Excited about this model, I decided to pick one up from a LGS last week. 100 rds through it and I'm experiencing a variety of issues. The pistol is currently in shipment to Sig for some gunsmith triage, but I thought I should post up my experiences for others who may (hopefully not) run into the same. Here goes... 1. The (2) 17rd mags are STIFF. On both, I've had to really crank down on the 16th round with their speed-loader to get the 17th round in. New mags, ok, maybe need a bit of break-in. However, trying to seat this full mag into the pistol with a closed slide was a bear. I quite literally had to slam the mag home for it to seat. This is where the big issue occurs. When I attempted to pull back the slide, it was hanging up... on the bullet. The slide would not pull back, so I dropped the mag for inspection. The bit of pressure I applied actually pushed the top (17th) bullet deeper into its casing (shortening the COL). Oof. Downloading 1 to 16 rounds worked fine. 2. When the pistol warmed up after the first spent mag, any mags that were loaded there after (with the slide locked back) would automatically release the slide the moment I drove the new mag home. Uhh, not good. The minor vibration caused by seating a mag should not be releasing the slide. 3. The barrel coating on the muzzle chipped away at around the 100 round mark, exposing the bare, rough steel underneath. Ammo used: Winchester white box 115gr 9mm & Sig Elite Defense 115gr JHP No internal modifications have been made to the pistol. I'll keep this updated as communication with Sig continues. Disappointing. The pistol feels fantastic and shoots flat. I want to love it enough to rotate into my EDC. View attachment 479507 View attachment 479508 View attachment 479509
Just got one. I was surprised how dirty it was after about 250 rounds. All I can think of, is that the short barrel in the longer slide is not letting as much out as a longer barrel would. I have the same thing with my slide. It should not be doing that all the time. Plus when the takedown lever is pushed down the slide does not release properly
 
#28 · (Edited)
Just got one. I was surprised how dirty it was after about 250 rounds. All I can think of, is that the short barrel in the longer slide is not letting as much out as a longer barrel would.
Welcome to Sigtalk.

My experience is that gun cleanliness after a session is highly correlated with ammo. I find Magtech and Winchester both to be smokier than a Turkish Hookah parlor on Friday night, and leave the gun filthy. Federal, S&B, Speer, and Blazer are all more or less what I would call normal. ETA if it had a comp, I understand they run pretty dirty.

What brand of ammo were you shooting?

I have the same thing with my slide. It should not be doing that all the time.
You've never had a polymer frame firearm that autoforwarded before, is that what you are saying?

Plus when the takedown lever is pushed down the slide does not release properly
Can you expand on this?

With the slide locked back, rotating the TDL to the 7 o'clock position should allow it to disengage. Mine typically require a bit of thumb pressure to start sliding off the frame, but not much.
 
#29 ·
Plus when the takedown lever is pushed down the slide does not release properly.
It would be helpful if you described in more detail (step-by-step).

If you are referring to having to depress the slide catch to release the slide for disassembly, that is not uncommon with the 365. My P229 will automatically release the slide catch when I pull the slide back with takedown lever down, but 365 requires me to manually depress the slide catch as I pull the slide back to disassemble. Not a malfunction/problem.
 
#32 ·
Hey Airgunner. Based on the replies I've gotten here, I'd suggest you look to a different resource for help in the future.
Folks - this is a friendly reminder not to post while under the influence (PWI)! :LOL: