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  #1  
Old 06-09-2018, 11:58 AM
Roncodrummer Roncodrummer is offline
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Default M&P 2.0 compact spring issue

New to forum. Just got an M&P 2.0 compact 9mm and upon cleaning prior to first firing, a small, 1/8 piece of the recoil spring broke off at the yellow painted end. Took it to the range and put 100 rds thru it. Upon cleaning it, another piece of the spring about the same size broke off again. Anybody else have this happen?
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Old 06-09-2018, 12:53 PM
Dpris Dpris is offline
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Not on mine.
From the wording, I'm hearing you say you twice broke a piece off the spring during cleaning, not firing.

The obvious question is: How are you cleaning your gun in such a manner that you're breaking chunks off your recoil spring?
Denis
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Old 06-09-2018, 01:28 PM
coachray coachray is offline
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I would contact S&W cust. service.
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Old 06-09-2018, 01:37 PM
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Pictures would be helpful, including the recoil spring assembly and the "pieces".
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Old 06-10-2018, 01:53 AM
Dpris Dpris is offline
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Seriously Ronco- how are you cleaning that thing?
I can't imagine any cleaning method that'd break the recoil spring twice.
Denis
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Old 06-10-2018, 08:59 PM
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Possibly it was broken when he received the gun and he just found it when he cleaned it the first time.

My new 9mm 2.0 compact recoil spring broke on round 44, but worked weakly until round 47 when it wouldn't return fully to battery. I disassemble the gun and found the recoil spring broken in the middle. Gun out of action.

I called Smith customer service and they had a new one to me in a week.

I cannot imagine that the broken spring was the OPs fault in any way. It likely came to him broken. Really, what could he have done to break a recoil spring just by cleaning?

I'm guessing this was a defective spring from the get-go. As was mine. Properly made recoil springs don't break when new.
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Old 06-10-2018, 09:13 PM
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If it was a defective spring assembly, it's possible it might not have been noticed when the newly assembled gun was test-fired. If it was somehow damaged during assembly of the recoil spring assembly (bolted onto the guide rod), it might've slipped through until the gun was field-stripped by the new owner for its first cleaning after he/she fired it.

S&W test-fires its M&P's more than some other companies test-fire their pistols. Unless it's changed, we've always been told (in armorer classes) that each M&P is test-fired with 15 rounds (using factory test mags, not the ones that eventually get packaged with the guns).

This is compared to another major maker who (if I remember from my notes correctly) fires 2 standard pressure rounds and a single proof load (described as being 130% of standard pressure).

A long time ago we were told that in the older 2nd & 3rd gen guns, S&W randomly pulled a gun after production and fired a magazine load through it, checking for functioning and general accuracy (a random spot check, as it were).
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Last edited by Fastbolt; 06-11-2018 at 12:49 AM.
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Old 06-10-2018, 09:56 PM
Dpris Dpris is offline
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I can see a recoil spring breaking, during firing.
I can't conceive of any method of cleaning one that would break a piece off even once, much less twice.

With the pistol functioning in between breakages, and the breakages only being noted during pre-fire & post-fire cleaning, I'd again ask how Ronco is cleaning that pistol.

Complete disassembly of the recoil spring assembly (not needed or advised), with breakage occurring during reassembly somehow?
Reassembly possibly being done wrong?

The wording was breakage "upon cleaning", not noticing a piece of the spring fall out on disassembly, twice.

If Ronco could come back on & explain in more detail, it would be extremely helpful.
Otherwise, these captive spring assemblies are extremely easy to R&R, there's nothing I can imagine that could possibly break a 1/8" piece off the compressed & contained spring during cleaning.

You remove the assembly, you squirt it out if you feel the need with something like Gunscrubber, or wipe it down with a rag wet with your favorite cleaner/luber, and you reassemble when you're done with the rest of the gun.

You don't have to force anything anywhere, assembly goes right back in with a tiny bit of compression to seat, and there's no impact or unusual stress or forced manipulation anywhere.
Denis
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Old 06-11-2018, 01:53 PM
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Quote:
Originally Posted by Fastbolt View Post
Pictures would be helpful, including the recoil spring assembly and the "pieces".
Agreed, hopefully the OP comes back and posts again in this thread, and pictures would be most helpful here.

At this point he has not revisited the site (at least not while logged in) since the original post from what I can see...
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Old 06-11-2018, 02:04 PM
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Without followup, I'm suspecting operator error.
I'd still very much like additional info.

Breaking (not finding it broken), a 1/8" piece off during cleaning BEFORE firing, and the same AFTER firing, does not sound like a factory installation goof, does not sound like the spring was broken BEFORE he got the pistol, does not sound like the spring is breaking during shooting, and occurring twice during cleaning with identical results, sounds like something odd going on as a part of whatever that cleaning process is.

Interesting.
Denis
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Old 06-11-2018, 07:05 PM
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First post and hasn't been back since. I'm thinking we won't see him again.
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Old 06-11-2018, 09:34 PM
Fulton722 Fulton722 is offline
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Roncodrummer has posted his story and pictures on the other S&W M&P site.
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Old 06-11-2018, 11:50 PM
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What other S&W M&P site?
Denis
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Old 06-12-2018, 01:27 PM
Fulton722 Fulton722 is offline
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I don't think I'm allowed to post the URL ... I tried and it was asterisked over automatically.
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Old 06-12-2018, 01:46 PM
Dpris Dpris is offline
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I don't know what site you're referring to, can you either give a name to Giggle, or describe what he says he's doing?
Denis
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Old 06-12-2018, 03:28 PM
ScaryWoody ScaryWoody is offline
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It sounds like a bad heat treat on the spring made it brittle. CS should a replacement. I wouldn't shoot it until fixed.
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Old 06-12-2018, 03:37 PM
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But how does it break during cleaning?
There's zero stress on that assembly during cleaning and only a tiny bit of compression to R&R it in the slide.
Denis
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Old 06-12-2018, 03:40 PM
ScaryWoody ScaryWoody is offline
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Quote:
Originally Posted by Dpris View Post
But how does it break during cleaning?
There's zero stress on that assembly during cleaning and only a tiny bit of compression to R&R it in the slide.
Denis
I would guess, he's noticing the pieces when he goes to clean. I didn't read it as happening while he was cleaning.
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Old 06-12-2018, 04:02 PM
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Said upon cleaning it a piece broke off. Twice.
Not "When I opened it up a piece fell out."

It'd be helpful if he came back & explained.
Denis
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Old 06-12-2018, 08:50 PM
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Quote:
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I don't think I'm allowed to post the URL ... I tried and it was asterisked over automatically.
But the name is...?
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Old 06-12-2018, 11:21 PM
Dpris Dpris is offline
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OK, got it in a PM.
Basically a dupe of his post here, but he interacts & posts a couple photos that I can't access without joining that forum.

Says when he took out the recoil spring assembly a piece broke off, and again after shooting.

No details, no explanations, no descriptions of the process, other than a piece broke off when he took out the assembly, twice.

Dunno if it's worth joining to ask questions if he's not going to respond about exactly what he did.
Nobody else asked him there.
Denis
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Old 06-13-2018, 08:04 AM
ScaryWoody ScaryWoody is offline
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I'm a member there...
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M&P 2.0 compact spring issue-f8b0b21b-5226-4b57-9879-f69378312449_1528671076440-jpg   M&P 2.0 compact spring issue-a0081493-1cbe-4ed0-a56b-f7453e39033c_1528671034288-jpg  
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Old 06-13-2018, 03:02 PM
Dpris Dpris is offline
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Thanks.
Ask him if the pieces fell out when he removed the assembly, or if they broke off WHILE he was doing something to clean the pistol, AFTER he removed the assembly FROM the pistol, please.
Denis
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Old 06-14-2018, 11:12 AM
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When I clean the return spring assembly (RSA) on my 2.0's, I rest one end on the table, grip the spring with a towel, pull the spring down as far as I can, and wipe of the exposed part of the guide rod with a CLP covered patch - turn it over, and repeat the process to the other end. I figure I'm able to clean 90 % of the guide rod like that. It's a little hard to pull the spring down, but it enables me to clean the guide rod better than spraying it down and just wiping it off. I really don't think it's necessary, but it's something I do. I've never attempted it on pistols with dual springs on a guide rod. I've wondered if it's bad for the spring, but I figure it compresses that far every time it cycles a round when firing. I can't seei t damaging the spring. But possibly if someone used a pair of pliers or something - even then tho - I would be more worried about damage to a plastic guide rod than a spring - and the 2.0 guide rods are steel. I would have to guess it's a defective spring the OP has encountered, like something wrong with the integrity of the spring's steel. I can't even recall where, but I've read of springs breaking in half before during use, and a gun still working - can't even remember what kind of firearm - pistol or rifle.
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Old 06-14-2018, 02:00 PM
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Compressing the spring/springs without forcing them with something like pliers should cause no more stress than when firing, considerably less, in fact.

I'm interested in this because, while it has to be an isolated phenomenon, I have the full-sized 2.0 9mm, the Compact 4-inch 2.0 9mm, and the Compact 3.6-inch 2.0 9mm.

So far, no spring breakage.
If there's something in the gun that breaks a spring, I'd like to know.
If it's something in the cleaning process, then I won't be quite as concerned.
Denis
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Old 06-14-2018, 04:17 PM
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Finally just registered on that other site & asked him for details.
No response yet.
Denis
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Old 06-15-2018, 11:35 PM
seebee62 seebee62 is offline
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Ive had my 2.0 Compact since February and the Recoil spring is good but mine is color coded blue not yellow as the OP is there any difference in blue or yellow color coding?


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Old 06-16-2018, 09:04 AM
angryelf22 angryelf22 is offline
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Quote:
Originally Posted by Canyon Man View Post
When I clean the return spring assembly (RSA) on my 2.0's, I rest one end on the table, grip the spring with a towel, pull the spring down as far as I can, and wipe of the exposed part of the guide rod with a CLP covered patch - turn it over, and repeat the process to the other end. I figure I'm able to clean 90 % of the guide rod like that. It's a little hard to pull the spring down, but it enables me to clean the guide rod better than spraying it down and just wiping it off. I really don't think it's necessary, but it's something I do. I've never attempted it on pistols with dual springs on a guide rod. I've wondered if it's bad for the spring, but I figure it compresses that far every time it cycles a round when firing. I can't seei t damaging the spring. But possibly if someone used a pair of pliers or something - even then tho - I would be more worried about damage to a plastic guide rod than a spring - and the 2.0 guide rods are steel. I would have to guess it's a defective spring the OP has encountered, like something wrong with the integrity of the spring's steel. I can't even recall where, but I've read of springs breaking in half before during use, and a gun still working - can't even remember what kind of firearm - pistol or rifle.
I clean my guide rod every time also but I don’t like to “unnaturally” compress the spring. I take a pipe cleaner, put some CLP on it, and wrap it around the guide rod one time with the pipe cleaner in between the links of the spring. Then I twist the guide rod clockwise til I get to one end, and the counter-clockwise until I get to the other end. Then I move to a clean spot on the pipe cleaner, and repeat. This way i don’t need to compress the spring and it actually does a pretty good job. If it’s really dirty I just repeat until I’m satisfied.

Last edited by angryelf22; 06-16-2018 at 09:37 AM.
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Old 06-16-2018, 11:24 AM
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Actually a good recoil spring is very hardy. I have been cleaning handguns for 50 years and never broke one. I would guess the spring was weakened in the heating process and sent out defective. You would have to be excessively aggressive in cleaning it to break it if it wasn't already defective.
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Old 06-16-2018, 10:37 PM
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Ronco finally responded on the other site.

The spring pieces did not break off during cleaning, they were discovered on the first disassembly prior to cleaning, and the second disassembly after shooting & before the second cleaning.

Should have worded it "and found a small piece broken off" instead of "and a small piece broke off".
Denis
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Old 06-16-2018, 10:51 PM
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Quote:
Originally Posted by seebee62 View Post
Ive had my 2.0 Compact since February and the Recoil spring is good but mine is color coded blue not yellow as the OP is there any difference in blue or yellow color coding?


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Mine was blue as well on all 3 of my 2.0 Compacts.

I believe the 1.0's had yellow coloring (at least the 9c I had at one point before I sold it off).
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Old 06-17-2018, 02:07 AM
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I've found that the easiest and most effective way to clean an All Steel RSA is to simply hit it with brake cleaner. There is enough pressure to blow everything away and it evaps instantly and leaves no residue. Done. I've been cleaning my M-60 innards that way way since I bough it new in '83.
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Old 06-17-2018, 12:05 PM
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Don’t feed the troll. The obvious thing is to call S&W, get a new spring no big deal. My 2.0 c is a sweet gun.
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Old 07-05-2018, 05:17 PM
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Is there anywhere they can be bought instead of just calling S&W? I like to keep an extra lying around just in case.
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Old 07-05-2018, 09:10 PM
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My spring is also blue, and nothing is broken.

Now; about Roncodrummer. He was brand new, and probably a bit stressed out over his gun probably being broken.

Instead of help and encouragement, he was twice accused of breaking the gun himself, he was also called a Troll, so he went elsewhere. His going to another forum was a direct result of the "welcome" he got here.

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Old 07-05-2018, 09:40 PM
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In my case, I was simply asking for more information to intelligently discuss his problem.
I don't think he was driven elsewhere.
Denis
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Old 08-18-2018, 06:50 PM
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Just found this thread while searching for the issue. When I first field stripped my new M&P 2.0 3.6" the recoil spring lost compression and came off the muzzle end of the guide rod. There was a little bend at the end of the spring, (yellow end) but it wasn't broken. Straightened it back out, but could not get the spring to reconnect to the guide rod end and "lock in". So after several minutes trying, Just placed the end in of yye spring in the hole in the seat at the end of the slide and worked the guide rod in and through and locked it in place to the barrel, while carefully making sure not to let it slip. Fired a couple hundred rnds today with no issue, but not looking forward to disassembly knowing the trouble it will take to get that spring and rod lined up and connected again. I wonder if they just use the same spring from the "4 compact? Cause that thing sure was tough getting on that little guide rod for the 3.6".

This is my first M&P or striker fired pistol for that matter, but i already love it and it will take the place of my Dan Wesson Commander 45 as my edc. Should i just replace whole assembly? Is there something I'm missing? Wil it reliably run it as is?
Thanks

Last edited by Songcatcher; 08-18-2018 at 07:15 PM.
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Old 08-18-2018, 07:03 PM
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Quote:
Originally Posted by Songcatcher View Post
Just found this thread while searching for the issue. When I first field stripped my new M&P 2.0 3.6" the recoil spring lost compression and came off the muzzle end of the guide rod. There was a little bend at the end of the spring, (yellow end) but it wasn't broken. Straightened it back out, but could not get the spring to reconnect to the guide rod end and "lock in". So after several minutes trying, Just placed the end in of yye spring in the hole in the seat at the end of the slide and worked the guide rod in and through and locked it in place to the barrel, while carefully making sure not to let it slip. Fired a couple hundred rnds today with no issue, but not looking forward to disassembly knowing the trouble it will take to get that spring and rod lined up and connected again. I wonder if they just use the same spring from the "4 compact? Cause that thing sure was tough getting on that little guide rod for the 3.6".

This is my first M&P or striker fired pistol for that matter, but i already love it and it will take tge place of my Dan Wesson Commander 45 as my edc. Should i just replace whole assembly? Or run it as is?
Thanks

The problem is covered pretty extensively in this thread.


Personally, I recommend you call S&W and get a new RSA on its way. It takes a while to get shipped, and the problem will continue to get worse (in my experience), and it will be harder to get back into the slide.


But, of course, S&W has never heard of this problem...
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Old 08-18-2018, 09:23 PM
Short_Round Short_Round is offline
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I've heard that different springs are available.

Sent from my SM-G930V using Tapatalk
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Old 08-18-2018, 10:03 PM
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Quote:
Originally Posted by ScottS View Post
The problem is covered pretty extensively in this thread.


Personally, I recommend you call S&W and get a new RSA on its way.


But, of course, S&W has never heard of this problem...
Email sent to S&W. Thanks.
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Old 08-19-2018, 01:13 AM
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Email sent to S&W. Thanks.
While I was at it I found one on EBay that says it's for the compact 1.0, but micrometer measurements show it to be 2.5", same as in the 2.0 3.6" so I went ahead and ordered it. Be cause of my NRA defensive pistol course coming up next weekend. We will see. I also checked mine after 200 rnds today, without removing it from the slide, and it appears to still be seated fine. I guess I will carry the extra in my range bag so I'll have it if/until needed.
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Old 08-19-2018, 08:59 AM
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Quote:
Originally Posted by Dpris View Post
Not on mine.
From the wording, I'm hearing you say you twice broke a piece off the spring during cleaning, not firing.

The obvious question is: How are you cleaning your gun in such a manner that you're breaking chunks off your recoil spring?
Denis
Uh......what I'm getting is the breaks were discovered during cleaning, not caused during cleaning....
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Old 08-19-2018, 10:02 AM
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Quote:
Originally Posted by Songcatcher View Post
While I was at it I found one on EBay that says it's for the compact 1.0, but micrometer measurements show it to be 2.5", same as in the 2.0 3.6" so I went ahead and ordered it. Be cause of my NRA defensive pistol course coming up next weekend. We will see. I also checked mine after 200 rnds today, without removing it from the slide, and it appears to still be seated fine. I guess I will carry the extra in my range bag so I'll have it if/until needed.

If you read the other thread, you'll see I mic'd the RSA from the 1.0 Compact and the one from the 2.0 Compact. There's also a picture of the two side-by-side. The 2.0 RSA is clearly longer.


The 1.0 Compact RSA worked in my 2.0 Compact for 100+ rounds without malfunction before my 2.0 RSA came in. I'm not sure if it's a good long-term solution, but it seems to work in the short term.
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Old 08-19-2018, 12:29 PM
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Quote:
Originally Posted by ScottS View Post
If you read the other thread, you'll see I mic'd the RSA from the 1.0 Compact and the one from the 2.0 Compact. There's also a picture of the two side-by-side. The 2.0 RSA is clearly longer.
I tried to,look at your photos but this forum wouldn't let me. Could you post the two rsa together pic here? I also find this forum very hard to use. No notification of new comments on threads I've participated in. I literally have to go to my profile, find my content go to that and then see if anyone posted anything under that. Not very user friendly compared to other forums I belong to. Maybe I'm doing it wrong?
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Old 08-19-2018, 12:38 PM
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I tried to,look at your photos but this forum wouldn't let me. Could you post the two rsa together pic here? I also find this forum very hard to use. No notification of new comments on threads I've participated in. I literally have to go to my profile, find my content go to that and then see if anyone posted anything under that. Not very user friendly compared to other forums I belong to. Maybe I'm doing it wrong?

Sure.


Side by side:





New Part Number:





New RSA, mic'd:





1.0 RSA, mic'd:





If that doesn't work for you, drop me a PM and I'll email them your way.
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Old 08-19-2018, 12:43 PM
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Thank you. So it appears the one is for the 3.5" barrel compact 1.0. Well damn. I have an email semt to S&W so hopefully I'll get the right one I need sent to me. I told them I'd even pay them for it. Thanks again.
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Old 08-19-2018, 02:08 PM
wnderr wnderr is offline
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I just don't understand how that spring can come off the end of the guide rod! The end of the spring is captured by the front of the slide during use, and doesn't even contact the end of the guide rod.

It is either wound too loose, or just plain defective in heat treating, and spreading during use. I sure hope the new ones they are sending out are "fixed!"

A puzzlement, as Pooh would saY!
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Old 08-21-2018, 07:28 PM
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Quote:
Originally Posted by Flintlock1 View Post
I've found that the easiest and most effective way to clean an All Steel RSA is to simply hit it with brake cleaner. There is enough pressure to blow everything away and it evaps instantly and leaves no residue. Done. I've been cleaning my M-60 innards that way way since I bough it new in '83.
Exactly. There is no need to wipe the guide rod, hence no need to manually compress the spring. Guide rods and recoil springs do not need to be squeaky clean because their operating clearances are huge. If you insist on cleaning the spring assembly, spray it down with brake cleaner nd let it dry. Drip a drop or two of oil onto the rod and be happy.
PS: I don't think the OP broke his spring. Chances are it was defective when assembled at the factory. Probably cracked during the forming process. Those thin section wire springs worry me. Stronger in torsion, but weaker in bending compared to round section springs.
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Old 08-22-2018, 06:09 PM
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Originally Posted by Songcatcher View Post
Thank you. So it appears the one is for the 3.5" barrel compact 1.0. Well damn. I have an email semt to S&W so hopefully I'll get the right one I need sent to me. I told them I'd even pay them for it. Thanks again.
Never got a reply to my email, but a call to S&W M&P division customer service today got me a replacement RSA coming in the mail. As posted elsewhere was told if it happens again to send in the firearm. Hopefully it won't.
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Old 08-23-2018, 10:28 AM
wnderr wnderr is offline
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I sent S&W an email last Thursday, about the spring, got a confirming email from them the next day, and got a new one from them yesterday, which was Wednesday! Less than a week! I call that good customer service!

Last edited by wnderr; 08-23-2018 at 10:30 AM.
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