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Old 08-08-2018, 12:46 PM
ScottS ScottS is offline
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M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure  
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Default M&P 2.0 Compact 3.6" RSA failure

Got my 2.0 Compact back on in July, and I've been shooting it whenever I can. So far, not one single bobble. The gun has been flawless, but when I broke it down at about 150-175 round point, I noticed the recoil spring had begun to "walk off" the end of the guide rod. It looked like this:




No way I could get the recoil spring assembly (RSA) back into the slide. I could never get the guide rod lined up through the now uncaptured end of the spring long enough to get it back into the slide. I finally had a thought, and pushed the spring down onto the guide rod, and then cinched a zip tie at the end to hold the spring down. Then I slipped the RSA back into the slide and clipped the zip tie. Voila'. The slide cycled fine, and when I went back out to the range, the gun cycled fine. I called S&W CS, explained the problem, and they promised to send out a replacement RSA.


In the meantime, I read of another shooter with the same gun, same problem. He said he ordered a replacement RSA from MidwayUSA, and it dropped in and functioned fine. I thought I'd give that a try, as I didn't want to wait for the part from S&W to arrive.


The RSA advertised by Midway (and others) is S&W Part #: 391160000, which S&W specifically says will not work in the 2.0 Compacts. The CSR at S&W told me the correct part number for the Compact RSA is #3002626.

When I got mine, I decided to swap it into my 2.0 Compact to see if it would work, as I was headed out for another range day, and didn't want to leave behind what has become my favorite pistol.

Although the RSA didn't really compress when installed into the slide like a normal RSA, it functioned fine and I put 120 rounds through the gun using that RSA without a single hiccup. (Man, do I ever love this gun).

The new part finally came. The part number is, as reported, #3002626.



The spring is yellow, like the 1.0 Compact one, but you can see it's noticeably longer.



2.0 right, 1.0 left.

Here's the 1.0 RSA



And the 2.0 RSA



The 2.0 RSA looks like it's almost .1" longer.

So, the RSA's are clearly different parts. The 2.0 RSA is longer. It looks like they both have 24 coils, but there's no telling if the spring rates are the same, etc.

So, moral(s) of the story:


Check the RSA in your 2.0 Compact closely, especially if it's the 3.6" model. Mine started walking after 150 rounds or so.


S&W will ship out a replacement free of charge, but it took over 10 days to arrive, and I can almost see Springfield, MA from my house. YMMV.


It appears that the 1.0 RSA will work in a pinch, but I wouldn't want to use it long term.
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  #2  
Old 08-11-2018, 10:33 PM
zspibble zspibble is offline
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M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure  
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Hmm...as a recent 3.6" new owner, this makes me nervous.

Unless you also posted to reddit, OP, this makes three instances of recoil spring failures on this model.

See:

M&P 2.0 w/ 3.6" barrel - recoil spring failure : SmithAndWesson

And:

Should I be concerned about the recoil spring on my M&P 2.0c 3.6” barrel? : SmithAndWesson


Sooooo....
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  #3  
Old 08-12-2018, 07:13 AM
ScottS ScottS is offline
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M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure  
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Quote:
Originally Posted by zspibble View Post
Hmm...as a recent 3.6" new owner, this makes me nervous.

Unless you also posted to reddit, OP, this makes three instances of recoil spring failures on this model.

See:

M&P 2.0 w/ 3.6" barrel - recoil spring failure : SmithAndWesson

And:

Should I be concerned about the recoil spring on my M&P 2.0c 3.6” barrel? : SmithAndWesson

Sooooo....
Not me. Not on Reddit.

Seems worth giving it the once-over when you’re cleaning. As I mentioned, as long as the RSA remains captured by the slide, there was no function issue, but still.
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Old 08-12-2018, 09:45 PM
Mashburned Mashburned is offline
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M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure  
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Same exact thing happened to mine. Got my 3.6” about a week ago and put around 150 through it. Shot great. Felt great. No hiccups. Fired fmj, and 3 different hp’s. Popped the spring out to clean everything, and saw a few spring coils had slipped off the guide rod.

I was initially kind of annoyed. This is my first MP pistol. Gonna call S&W see if they’ll send me replacements. I just “screwed” the coils back on the rod, went right back to normal. Don’t know how they slipped off.

The front of my spring is spray painted yellow. I don’t know what that’s about. That was kind of annoying too. I got yellow paint chips all in my slide lol.

Man it was fun to shoot though. Softer shooting than my Glock 17. Just has a nice feel. Hope it proves to be tough and reliable over time. Seems like this spring issue is common, so hopefully SW will tweak the design a bit.
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Old Yesterday, 02:17 PM
wnderr wnderr is online now
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M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure  
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Looks like a call to S&W is in order, before it becomes a problem.
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Old Yesterday, 05:39 PM
Mashburned Mashburned is offline
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M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure  
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Just got off the phone with customer service. They’re sending me a “one time courtesy RSA replacement under warranty”.

Whatever the heck that means. I didn’t necessarily care for a couple things the guy told me - 1) this is a courtesy replacement. If it happens again, he said I’ll have to send my gun in. 2) this is a new pistol and th first call they’ve received about the recoil spring assembly. I suspect that was a lie. If this was in fact the very first call they’ve received, it would mean, for one, the creator of this thread is a dirty liar! And two, I would imagine they would have a few more questions for me as they might be curious what exactly happened to cause the first failure of a recoil spring in the 3.6 compact. The call was about as satisfying as talking to a service writer at a big car dealership.

Anyway, new spring should be here in 7-10. I hope nothing happens to that one because I don’t really want to ship my pistol back, I might just prefer to sell it at that point.

Plus I’m fairly certain it ain’t the gun that’s causing this somewhat questionable looking spring to fail. I really think it might be as simple as the cap on the front of the guide rod is too small. You can slip the springs over it. You should not be able to do that. It needs a wider cap holding the springs in.

Last edited by Mashburned; Yesterday at 05:43 PM.
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Old Yesterday, 08:56 PM
zspibble zspibble is offline
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M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure  
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Quote:
Originally Posted by Mashburned View Post
Just got off the phone with customer service. They’re sending me a “one time courtesy RSA replacement under warranty”.

Whatever the heck that means. I didn’t necessarily care for a couple things the guy told me - 1) this is a courtesy replacement. If it happens again, he said I’ll have to send my gun in. 2) this is a new pistol and th first call they’ve received about the recoil spring assembly. I suspect that was a lie. If this was in fact the very first call they’ve received, it would mean, for one, the creator of this thread is a dirty liar! And two, I would imagine they would have a few more questions for me as they might be curious what exactly happened to cause the first failure of a recoil spring in the 3.6 compact. The call was about as satisfying as talking to a service writer at a big car dealership.

Anyway, new spring should be here in 7-10. I hope nothing happens to that one because I don’t really want to ship my pistol back, I might just prefer to sell it at that point.

Plus I’m fairly certain it ain’t the gun that’s causing this somewhat questionable looking spring to fail. I really think it might be as simple as the cap on the front of the guide rod is too small. You can slip the springs over it. You should not be able to do that. It needs a wider cap holding the springs in.

[Crossposting here, as there are two threads sort of talking about the spring right now]:


The nut at the forward end of the rod doesn't look quite big enough for the spring, I agree. At 100 rds, I disassembled and it looked like the tippy of the yellow painted end of the spring was starting to work its way over. I finger-snugged it back down, then fired another 150 rds through today.

Just finished cleaning, the spring stayed put after this most recent range trip...
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  #8  
Old Today, 09:45 AM
moonpup moonpup is offline
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M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure  
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I don't understand why S&W continues to have problems with the RSA's on the M&P series. I have both a Shield 9 and 45 that had the RSA's blow apart within the first couple hundred rounds. This doesn't seem to be an ongoing issue with other manufacturers or third party replacements, so why can't S&W make a solid RSA?
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  #9  
Old Today, 10:06 AM
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That One Guy That One Guy is offline
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M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure  
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Is there a 3rd party replacement for the 3.6” RSA yet?
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  #10  
Old Today, 10:18 AM
bronconagurski bronconagurski is offline
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M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure M&P 2.0 Compact 3.6" RSA failure  
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Yep, it's the same old story- they ain't got time to do it right, but they got time to do it over.
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