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  #1  
Old 08-15-2016, 08:04 PM
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Default Shield 9mm Magazine Spring

I've read several posts about the folding magazine spring issue, and it's making me a little paranoid! I've got two 8rds & one 7rd magazine. I've only put 120 rds through them, with equal time devoted to each one. That's roughly 40 rds apiece. After reading about the spring issues, I took each one apart, and, so far so good. I guess a regular inspection would be the smart thing to do. How many of you guys or gals have put several hundred rds through the mags, with no issues? Any tips to keep the springs from folding? My Shield is only a couple of weeks old, and I'm thinking that maybe S&W has addressed the problem. Then again, a couple of the posts I read were relatively new.

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Old 08-15-2016, 08:22 PM
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So far no issues with my original magazines, 2 month old shield and 600 plus rounds. Of the ammo expended id say about 400 + with the stock magazines and the rest through two 8 round S&W mags I bought new online. Hope this gives you some reference .
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Old 08-15-2016, 08:31 PM
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If they're going to fold they'll do so regardless of any effort on your part. Those springs are defective and there really isn't any way of forseeing it.

Consider acquiring spare factory springs or take a step up with the MagGuts spring kits and gain an extra round of capacity.
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Old 08-15-2016, 09:05 PM
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Why oh why do you guys takes your magazines apart when they are functioning ok? I have pistols I've fired for years and thousands of rounds and never disassembled a magazine unless it was dropped in mud.
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Old 08-15-2016, 09:25 PM
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Quote:
Originally Posted by Ytcoinshooter View Post
So far no issues with my original magazines, 2 month old shield and 600 plus rounds. Of the ammo expended id say about 400 + with the stock magazines and the rest through two 8 round S&W mags I bought new online. Hope this gives you some reference .
Thanks, that gives me some relief.
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Old 08-15-2016, 09:45 PM
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Originally Posted by Holmes375 View Post
If they're going to fold they'll do so regardless of any effort on your part. Those springs are defective and there really isn't any way of forseeing it.

Consider acquiring spare factory springs or take a step up with the MagGuts spring kits and gain an extra round of capacity.
I actually considered the MagGuts, even before reading about the faulty springs. At the time, they seemed a bit pricey just for an extra round, but after seeing so many posts about folding factory springs, I may reconsider. I'm gonna put some more rounds through them before I decide.
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Old 08-15-2016, 10:13 PM
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Quote:
Originally Posted by BigDog48 View Post
Why oh why do you guys takes your magazines apart when they are functioning ok? I have pistols I've fired for years and thousands of rounds and never disassembled a magazine unless it was dropped in mud.
I'm the same way, I will blow them out with the air compressor though when I clean the gun, never took one apart.
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Old 08-15-2016, 10:45 PM
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Default Shield 9mm Magazine Spring

I was at the range yesterday and had the spring in the 8rd mag bend on me. I bent it back and reloaded two more times before it bent again.


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Last edited by Mr.Shield; 08-15-2016 at 10:52 PM.
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Old 08-15-2016, 10:46 PM
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The first thing I do when I get new magazines is disassemble them and clean them thoroughly. You might be surprised at some of the crud that I've seen come out of a brand new mag. Not all of them, but some of them.

I've only seen the problem mentioned in one other thread here, from back in June.

Shield 9 bent magazine spring

ETA: Okay, now twice, LOL.

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Old 08-16-2016, 01:37 AM
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Quote:
Originally Posted by BigDog48 View Post
Why oh why do you guys takes your magazines apart when they are functioning ok? I have pistols I've fired for years and thousands of rounds and never disassembled a magazine unless it was dropped in mud.
I was trained to fully clean my guns (and mags) after shooting them. I have always dis-assembled them for cleaning when I clean the gun. Never thought about not doing it. They always seamed clean (except for the follower).

Maybe this is a cleaning step I can skip?
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Old 08-16-2016, 01:54 AM
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So far my 1-7 2-8 round mags have held up over 600 rounds built date shows to be in March of this year hopefully they'll last.
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Old 08-16-2016, 03:07 AM
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I have a Shield 9 with nearly 4500 rounds through it. I have three 8-round magazines and one 7-round magazine. I gave them their annual cleaning a few days ago, and the springs were perfect. I'd say go shoot the heck out of your Shield, and don't worry about the magazine springs. I sure don't.
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Old 08-16-2016, 03:09 AM
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Quote:
Originally Posted by BigDog48 View Post
Why oh why do you guys takes your magazines apart when they are functioning ok? I have pistols I've fired for years and thousands of rounds and never disassembled a magazine unless it was dropped in mud.
Sand. Several vets from "the sand box" have remarked our range reminds them of the Mideast conditions. After one of our IDPA matches, every magazine used has fine sand in it.
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Old 08-16-2016, 06:55 AM
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I believe wolf also sells xtra power mag springs for the shields. a 3 pack will run you about 17.00.
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Old 08-16-2016, 07:10 AM
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Yes +1 that Wolff now sells mag springs. They are the same shape as originals from s&w. The mag guts are too $ for me.
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Old 08-16-2016, 10:41 AM
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Quote:
Originally Posted by WGSNewnan19 View Post
I believe wolf also sells xtra power mag springs for the shields. a 3 pack will run you about 17.00.
Quote:
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Yes +1 that Wolff now sells mag springs. They are the same shape as originals from s&w. The mag guts are too $ for me.
Thanks guys, I'll check wolf out.
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  #17  
Old 09-23-2016, 09:03 AM
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Default Folded springs problem

I have run over 1000 rounds thru my 9mm shield since May. In that time I've experienced the spring fold over/collapse issue twice. Once in the 7 round mag and once in the 8 round mag. Advice welcome on a solution. I've not tried non-factory replacement springs or mags yet. (I registered for this forum precisely because of this issue)
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Old 09-23-2016, 12:22 PM
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what does S&W have to say about the spring failure? Are they sending new springs or new mags? just curious as to their response. I only have about 150 rounds through my 7 round mag and 150 through the 8 round. No problems yet.
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Old 09-23-2016, 04:20 PM
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Below is what I posted in another thread about these bent springs. The new ones I received have not bent yet after probably 30 loads and unloads but no live firing yet. The old/original ones bent after 3 loads in the 7 round mag so these do seem better than the first "junk"....

Ok, so just got off the phone with CS and was told, they have/had some "issues" with the Shield springs. I said is this a heat treat issue with just a certain run of them that falls into a specific time frame or a design "issue" that has been going on since the Shield came out? He says I'm not sure, all I know is the engineers have redesigned some things and I have the newest of the new springs, that I received on Friday 9/9. I said what's new they look identical to the old springs (when not collapsed) the heat treating process? He said he doesn't know for sure what is different, "just engineering things, that engineers do" "I've been a gun guy for 40 years" he says, well me too, I feel way better now!!!

He says keep testing them (lol) if I continue to have more issues with the "newest of the new" design and I feel this may be more than just a spring issue (which I don't believe he thinks is the case) they would need me to send the mag/mags in for evaluating so there you have it.
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Old 09-23-2016, 10:13 PM
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Quote:
Originally Posted by Bad_Andy View Post
I was trained to fully clean my guns (and mags) after shooting them. I have always dis-assembled them for cleaning when I clean the gun. Never thought about not doing it. They always seamed clean (except for the follower).

Maybe this is a cleaning step I can skip?
I wipe the outside with a silicon cloth, but I never take them apart unless I've dropped them in mud or other gunk. It has worked for me for 40 years.
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Old 09-23-2016, 11:51 PM
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My Shield has 527 rounds through it. I use four 8 round mags and one seven round mag. In two of the eight round mags I can now load all 8 rounds by hand (I don't but I can). The others still require the mag loader which is just fine.

I have cleaned all of my mags once. Never a problem.

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  #22  
Old 10-06-2016, 09:50 AM
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I have 4 of the 7 round mags with the Pearce pinky finger extension. I have had two of the mags collapse on me in exactly the same manner and both on the same day. I called S&W customer service and asked if there was a problem with the springs. I was assured there was no problem but as we talked some more I got the distinct feeling there was. Anyway he insisted that he send me replacement springs for all my mags even though I was only having trouble with two of them. I received the springs yesterday and they are a distinctly different color.and finish. Having been a mechanical engineer for 45 years and having designed maybe 200 different springs I know for a fact that different surface treatments can have a vastly different effect on the stress rates of the spring material. I am going to the range soon to try out the new springs.


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Old 10-06-2016, 10:03 AM
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Had the same issue and S&W confirmed that there's recent increase in Shield spring failure. I think S&W have since corrected the collapse spring issue but there are still bad springs in circulation.

I always test out my pistol including mags for a few hundred rounds before even considering it as a suitable self defense tool in order to weed out potential issues.
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Old 06-19-2017, 09:24 PM
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Default Shield 9mm magazine spring

Apparently S&W still has not fixed this issue, as I just picked up a brand new 9mm Shield yesterday 6-18-2017 and upon test firing the gun today on the first attempt to reload the 7rd mag the follower jammed in the mag tube on round #5. Upon disassembling the mag found the magazine spring folded over just like everyone else. I find this completely irresponsible for S&W to be aware of this continuing issue for this long, on a firearm marketed purposely at the self defense market, without a focused effort to get it resolved. There has to be some serious liability attached to this issue if someone gets hurt due to the issue.
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Old 07-15-2017, 03:57 PM
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Happened to me today, too. Have had the 9mm Shield for about a month, with one 7- and three 8-round mags, all of which have been shot regularly for a total of probably 600 flawless-function rounds. It quickly became my daily carry piece, with 7+1 in the gun and an 8 rounder on the belt. (Its excellent power, slim profile, rapid reloading and easy shooting displaced the 5 and 6 shot J frame revolvers I carried for years. I don't miss 'em, EXCEPT for this worry about a functioning magazine.)

When refilling the 7 round mag today I noticed that there was practically no follower pressure when inserting the first round into the mag, and then I could NOT get more than 5 rounds in, even with the Caldwell loader. I could see multiple spring wires through one of the witness holes, and when I took the mag apart I found the typical bent spring.

I'll call S&W on Monday, and based on prior reports on this forum will expect to get some new springs in the mail. I also ordered some Wolff springs - I've used a lot of their springs on a lot of other guns over the years and trust 'em.

But it has me wondering - WHEN do you really trust these S&W springs in a carry gun? I've probably put more than a hundred rounds through the mag that failed today, and have to wonder what would have happened if I were using it in earnest?

In the short run I put a Walther PPS in the (same) holster. I'll have 6+1 in the gun plus an 8-rounder on the belt, so I'll only be down 1 round from the Shield. But I'll have MecGar magazines with straight springs, in which I have complete confidence.

So for the long term, what do people do with these things? Just put new S&W springs in and hope for the best? (I thought I'd read reports that the replacement springs fail, too.) I could just switch to Wolff springs, or even the MagGuts things. If MecGar made mags for the Shield I'd be tempted to get some of them for daily carry, but AFAIK they're not available.
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Old 07-15-2017, 04:42 PM
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I have 4 shields, 2 Shield 9mm (Safety No safety) 1 Shield 40 and 1 Shield 45. I have not had one single issues with any of the magazines. The 9mm no safety i shoot and carry the most has been 100% flawless with factory 7 and 8 round mags. I also use the Magguts +2 springs which have been equally flawless. recently attended a Steel frenzy course (700 + round count) used my Shield 9mm for most of that course with NO issues. S&W may had a bad batch of Shield springs, But for the most part they work and work well

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  #27  
Old 07-15-2017, 07:00 PM
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I got my Shield 9mm the first week of April 2017. I have fired well over 1,000 rounds from my one 7 round and seven 8 round magazines and have never experienced this problem. When you consider the number of Shields in use and the infinitesimally small number of complaints, this is not a wide spread problem.
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Old 07-15-2017, 07:29 PM
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Leave your mags assembled. Take them apart only if you drop them I the mud or some other dirty substance. Shoot the gun, a lot.

I have lots of rounds through my Shield 9 both mags (and several additional ones I've bought, and never had a problem.

Enjoy the shooting. It will cure your paranoia.
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Old 07-15-2017, 07:30 PM
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Quote:
Originally Posted by Mr.Shield View Post
I was at the range yesterday and had the spring in the 8rd mag bend on me. I bent it back and reloaded two more times before it bent again.


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I'm still trying to imagine how that spring would get a bend like that in it while inside the magazine body.
Trying to put the spring back in after having disassembled the magazine, and it bends to the side before you can get it in all the way, yes.
I've done that, but it doesn't put a bend in it near as bad as yours, if at all.
Why did you have to disassemble the magazine at the range ?

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Old 07-15-2017, 10:14 PM
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I'm still trying to imagine how that spring would get a bend like that in it while inside the magazine body.
It is a mystery, but that's exactly what my spring looked like after my magazine locked up and I took it apart to see why.
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Old 07-15-2017, 11:39 PM
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When you consider the number of Shields in use and the infinitesimally small number of complaints, this is not a wide spread problem.
It is probably as small a problem as the internal lock on a S&W revolver locking up the gun on its own, without the key being turned. It DOES happen, but as with these bent magazine springs the percentage of revolvers likely to be affected is tiny. And if it's a range gun, if the problem arises it's a 1 minute job to dig out the key from your range bag and fix it.

But if it's a gun that HAS to work for you immediately, whenEVER you call on it, the fact that a known problem isn't very likely to occur is small comfort. That's why I removed the internal lock on the one J frame carry gun I had. That fixes the lock problem, permanently.

And for a Shield that's a daily carry gun, the question is - what's the best equivalent of removing the internal lock from a revolver? Obviously you can't just remove the mag spring, so what do you replace it with? Another S&W spring? Or one from Wolff or MagGuts? Or as I've done temporarily - replace the gun?
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Old 07-16-2017, 03:47 PM
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Default Guess I'm lucky !!

I have 7 each of the 8 round mags and 1 each of the 7 round. Have sent at least 9,000 rounds lthru my 9mm Shield and "NO" spring problems, Mags are taken down and cleaned about every 6 months. Followers cleaned monthly with 91% alcohol.
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Old 07-16-2017, 05:04 PM
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I have had a Shield 9 for about 3 years, and recently bought a 45. I have several magazines for each. Never had had a problem with the 9, and had one malfunction with the 45 first time out. I performed immediate action and kept on shooting. With a semi-auto there is always the chance of a malfunction. Do what you can to minimize the possibility, practice immediate action drills, and carry extra magazines.
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Old 07-18-2017, 08:27 PM
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I have used Wolff Springs in magazines before. They are high quality.
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Old 07-18-2017, 09:59 PM
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It appears from the many reports I've seen that the springs fail (bend) DURING MAGAZINE LOADING, but NOT while firing. Have I missed reports of failures to feed due to the spring having folded while the gun is being shot?

S&W is providing new springs after I called 'em about my failure experience, but I also have some Wolff springs on order which should be here in a few days. The Shield has been completely reliable over probably 700 rounds now, except for this one spring failure. If the spring failures do not occur during shooting, I'll be inclined to put the new Wolff springs in the mags and return the Shield to its place as my daily carry piece.

But if I've missed reports of springs folding up while the gun is being shot, I may just leave the Walther PPS in the daily carry holster, and give some additional thought about how to get comfortable with the Shield again.
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Old 07-19-2017, 08:05 PM
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Same exact problem as everyone else and it happened during the first time I shot it.
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Old 07-19-2017, 08:58 PM
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Originally Posted by cbpat1 View Post
Same exact problem as everyone else and it happened during the first time I shot it.


Yep, same here with a seven rounder. First time out (and I want to say early in the session, probably 6 or so compression cycles) and it failed.

I had similar issues with an m&p45. CD sent me 6 new mag springs and followers.

My guess is they use more than one supplier for small parts, and QC/QA isn't as high as it should be, especially for the number of shields their pumping out. I don't think it's a coincidence you can find shield mags for less than 20 bucks per pretty easily.



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