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Posted: 2/26/2023 11:24:00 PM EDT
I got super excited at release about the new S&W M&P 5.7 and bought one the day after my LGS got them in. I have had a SilencerCo Sparrow for about a year and have only used it mostly on a 22/45 pistol with around a 500 rouind count and a few mags thought a 10/22 rifle. Since its rated for the 5.7 I gave it a whirl today. I shot two boxes of FN 195 ammo and one box of fiocci. The first mag was unsuppressed and all subsequent shots are with the Sparrow. I did a thorough inspection after the first mag and all was well with suppressor and gun. Shot up the rest of the ammo with no ill effects and then while cooling down and collecting brass noticed that it looks like the muzzle cap of the suppressor had popped off and then gotten struck by a bullet. The gun functioned fine the whole time and there was no singular instance that would indicate it happening. But I'm also a novice with suppressor use and this is my first unfortunate incident. Thoughts? The S&W is gas operated which might yield different pressure curves than blowback guns I guess? I'm gonna call SilencerCo tomorrow and see what they say but thought I'd check in with the hive as well.
  
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Posted: 2/26/2023 11:27:49 PM EDT
[#1]
Silencer walked off is my guess. I’m sure Silencerco will take care of you.
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Posted: 2/26/2023 11:33:30 PM EDT
[#2]
You can take it down yourself (that's the idea!) And see if the tube threads are bad or if the monocore was nicked.
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Posted: 2/26/2023 11:47:29 PM EDT
[#3]
Quote HistoryQuoted: Silencer walked off is my guess. I’m sure Silencerco will take care of you. I grabbed and torque tested with a shop towel while it was still hot AF and again bare handed when cold and it was tight as a drum both times. |
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Posted: 2/26/2023 11:49:54 PM EDT
[#4]
Quote HistoryQuoted: You can take it down yourself (that's the idea!) And see if the tube threads are bad or if the monocore was nicked. The tube body feels intact and undeformed but I'll check with a mic tomorrow. Don't want to mess with disassembly before talking to the mfg. |
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Posted: 2/27/2023 12:27:23 AM EDT
[#5]
It’s a good idea to run both kinds of ammo (or any new, untried ammo) without a suppressor and check target for nice round holes. Usually not needed for supersonic ammo, but with a new unproven gun/barrel worth doing.
The S&W 5.7 does some sort of rotational unlocking. IIRC RUGER had a similar action (rimfire maybe) that didn’t play well with suppressors. That host is so new speculation is all I’ve got. |
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Posted: 2/27/2023 1:32:03 AM EDT
[#6]
The threaded part of the barrel isn’t really the barrel, it just a sleeve. The barrel sits within the sleeve and rotates and reciprocates while the threaded sleeve remains stationary. The barrel sits in the sleeve similar to a barrel in a standard semi auto slide which is to say, not perfectly concentric to the slide opening or in the case of the 5.7, the sleeve. It’s a bit like trying to attaching a suppressor to the slide of a normal semi auto and not the barrel.
While I didn’t have baffle or end cap strikes with mine, I did experience very poor accuracy with a can attached. An alignment rod confirmed the issue. I don’t think the S&W design is conducive to suppressed use. It shoots fine without a can though. |
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Posted: 3/3/2023 4:58:23 PM EDT
[#7]
Quoted: ...Shot up the rest of the ammo with no ill effects and then while cooling down and collecting brass noticed that it looks like the muzzle cap of the suppressor had popped off and then gotten struck by a bullet... That's the baffle stack itself. The endcap of the Sparrow is part of the monocore. |
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Posted: 3/6/2023 8:31:44 PM EDT
[#8]
Quote HistoryQuoted: That's the baffle stack itself. The endcap of the Sparrow is part of the monocore. Well that sucks. SilencerCo customer service told me to ship it to them as-is so it's boxed up and going to UPS tomorrow. This sucks because the combo was fun as shit to shoot. |
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Posted: 3/6/2023 10:42:27 PM EDT
[#9]
Someone on Reddit blew up their Oculus with that same pistol.
https://www.reddit.com/r/NFA/comments/11ieax9/booo_wendy_testaburger_booo/?utm_source=share&utm_medium=ios_app&utm_name=iossmf |
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Posted: 3/6/2023 11:02:52 PM EDT
[#10]
Quote HistoryQuoted: Someone on Reddit blew up their Oculus with that same pistol. https://www.reddit.com/r/NFA/comments/11ieax9/booo_wendy_testaburger_booo/?utm_source=share&utm_medium=ios_app&utm_name=iossmf Wow damn |
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Posted: 3/7/2023 3:18:53 PM EDT
[#11]
Quote HistoryQuoted: Someone on Reddit blew up their Oculus with that same pistol. https://www.reddit.com/r/NFA/comments/11ieax9/booo_wendy_testaburger_booo/?utm_source=share&utm_medium=ios_app&utm_name=iossmf Yikes. Hope this doesn’t become a trend. S&W might have screwed the pooch putting the threads on the sleeve. |
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Posted: 3/7/2023 9:38:46 PM EDT
[#12]
Quote HistoryQuoted:Yikes. Hope this doesn’t become a trend. S&W might have screwed the pooch putting the threads on the sleeve. From the review videos it looks like there's very little to no play between the barrel and sleeve. Did you check alignment with a quality alignment rod? |
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Posted: 3/7/2023 9:54:49 PM EDT
[#13]
Quote HistoryQuoted: From the review videos it looks like there's very little to no play between the barrel and sleeve. Did you check alignment with a quality alignment rod? Quote HistoryQuoted: Quoted:Yikes. Hope this doesn’t become a trend. S&W might have screwed the pooch putting the threads on the sleeve. From the review videos it looks like there's very little to no play between the barrel and sleeve. Did you check alignment with a quality alignment rod? That shit is for suckers Build it right, S&w |
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Posted: 3/7/2023 10:39:59 PM EDT
[#14]
I’m curious what the issue is. Threads not concentric to bore on the outer sleeve thingy?
I just ordered one of these fuckin things. Not sure which can I was going to put on it though. Maybe the mask? But I am definitely planning to suppress it. |
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Posted: 3/7/2023 11:38:47 PM EDT
[#15]
Quote HistoryQuoted: I’m curious what the issue is. Threads not concentric to bore on the outer sleeve thingy? I just ordered one of these fuckin things. Not sure which can I was going to put on it though. Maybe the mask? But I am definitely planning to suppress it. Take video |
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Posted: 3/8/2023 12:03:40 AM EDT
[#16]
Well that sucks. Guess I'll go with the PSA Rock.
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Posted: 3/8/2023 6:52:08 AM EDT
[#17]
I like my PSA Rock with a NYX on it. What I like even more is that my wife likes it and wants to shoot it.
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Posted: 3/8/2023 8:55:35 AM EDT
[#18]
Quote HistoryQuoted: Yikes. Hope this doesn’t become a trend. S&W might have screwed the pooch putting the threads on the sleeve. The M&P design and resulting strikes in rimfire cans influenced my decision to run a larger .31" bore in our 5.7 specific can. |
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Posted: 3/9/2023 8:03:02 AM EDT
[#19]
Quote HistoryQuoted: Someone on Reddit blew up their Oculus with that same pistol. https://www.reddit.com/r/NFA/comments/11ieax9/booo_wendy_testaburger_booo/?utm_source=share&utm_medium=ios_app&utm_name=iossmf That thread's a mess, he says the internal threads separated a few times, but doesn't ever address the critical question of whether there was a baffle strike... |
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Posted: 3/12/2023 3:43:52 PM EDT
[#20]
Quote HistoryQuoted: From the review videos it looks like there's very little to no play between the barrel and sleeve. Did you check alignment with a quality alignment rod? Yes but it was cold and hadn’t been fired yet when I checked it. |
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Posted: 3/17/2023 11:55:53 AM EDT
[#21]
Quote HistoryQuoted: The threaded part of the barrel isn’t really the barrel, it just a sleeve. The barrel sits within the sleeve and rotates and reciprocates while the threaded sleeve remains stationary. The barrel sits in the sleeve similar to a barrel in a standard semi auto slide which is to say, not perfectly concentric to the slide opening or in the case of the 5.7, the sleeve. It’s a bit like trying to attaching a suppressor to the slide of a normal semi auto and not the barrel. While I didn’t have baffle or end cap strikes with mine, I did experience very poor accuracy with a can attached. An alignment rod confirmed the issue. I don’t think the S&W design is conducive to suppressed use. It shoots fine without a can though. I had a similar issue yesterday. Had a Mask on it, which I’ve never had any problems with. Shooting groups of 3 (from like 10 yards, from a tripod, just trying to get on paper to zero the red dot), the first shot would go pretty much where I aimed it. The subsequent two shots would be about 12” high, and 1-2” left, and the high-left ones looked like they were starting to keyhole. I have not attempted to run the gun without a can yet. I didn’t have time. I’ll try that next time I can make it out there. This pisses me off. I wanted this gun to run a can on it. |
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Posted: 3/18/2023 3:50:35 PM EDT
[#22]
I ordered an Ecco Caracal. Hopefully the slightly increased bore size solves this problem. Otherwise I’m getting a different host.
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Posted: 3/18/2023 4:29:56 PM EDT
[#23]
Quote HistoryQuoted: I ordered an Ecco Caracal. Hopefully the slightly increased bore size solves this problem. Otherwise I’m getting a different host. That’s my next can |
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Posted: 3/22/2023 10:30:17 PM EDT
[#24]
Got my can back from SilencerCo with zero contact after they gave me the RMA #. Good customer service and no charge but I’d be curious to hear their thoughts on the cause. Guess I’ll order a 9mm can for this platform. Recommendations?
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