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  #1  
Old 08-21-2017, 12:34 PM
andyinlz andyinlz is offline
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Default 642 Locking Bolt Pin Failure

Had my fairly new Talo PC 642 at the range yesterday.

Fine shooter.

Nearing 600 rounds through it.

Noticed it was hard to close the cylinder fully or reopen it.

Looked down on the bench to find the locking bolt, spring and pin laying on the shooting bench.

I can only assume that the pin was in the process of falling out, leading to the roughness--and then the entire spring and bolt fell out when the pin made it all the way.

I can likely reassemble the gun--but is it unusual for this pin to loosen and fall out?

Should I use a bit of loctite on the pin?

Or should I just call S&W and have them handle this problem?

Thanks in advance.
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Old 08-21-2017, 01:17 PM
old&slow old&slow is offline
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No, it's not normal ,, I've been shooting S&W revolvers for probably 50 some years.. and never had that happen..
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Old 08-21-2017, 01:39 PM
kaaskop49 kaaskop49 is offline
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My usual answer: have a 'smith take a look at it. Maybe something else going on in there. It's a carry piece, it has to work.

Kaaskop49
Shield #5103
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Old 08-21-2017, 01:55 PM
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torizus torizus is offline
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642 Locking bolt pin,spring,locking bolt came out!?

It just shouldn't happen. But I guess it's not rare. Like kaaskop49 said, off to the mothership

Last edited by torizus; 08-21-2017 at 01:58 PM.
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Old 08-21-2017, 02:19 PM
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armorer951 armorer951 is offline
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Simple solution....peen the end of the retaining pin slightly on a peening block and re-install.
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Old 08-21-2017, 04:30 PM
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ContinentalOp ContinentalOp is offline
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There may be a simple fix, but I prefer an abundance of caution, and if I were in your place I'd shoot an e-mail to S&W and ask them to look at it to make sure there isn't something else wrong.

It should be covered under warranty and they'll send you a label to cover the cost of shipping.
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Old 08-21-2017, 10:43 PM
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torizus torizus is offline
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Quote:
Originally Posted by ContinentalOp View Post
There may be a simple fix, but I prefer an abundance of caution, and if I were in your place I'd shoot an e-mail to S&W and ask them to look at it to make sure there isn't something else wrong.

It should be covered under warranty and they'll send you a label to cover the cost of shipping.
Especially one from the so called Performance Center.
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Old 08-21-2017, 11:25 PM
lebomm lebomm is offline
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I wouldn't loc-tite the pin. Way too easy to get some of it between the locking bolt and its bore. Then you'd really be in it ! Peening the pin just a bit is a much safer fix.

JMHO,
Larry
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Old 08-28-2017, 05:49 PM
ADP3 ADP3 is offline
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It does happen from time to time. I keep a spare set in my parts kit because of that. A slight bend in the pin or peening one end will quickly remedy the situation and you'll be good to go. It's your choice a 5-minute fix that's exactly what they'll do at S&W or a multi-week wait.

Best Regards,
ADP3
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Old 08-28-2017, 10:26 PM
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JAREDSHS JAREDSHS is offline
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Tell us what you decided to do???
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  #11  
Old 08-30-2017, 11:46 AM
andyinlz andyinlz is offline
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The gun shipped via Fedex to S&W and arrived there yesterday.

No problems having them send me a shipping label.

Was told they currently have a 4 week backup.

Interestingly, the customer service guy gave me some grief for shooting non-US produced ammo (PPU 38 Special 130 grain FMJ).

I told him that his observation was stupid as this ammo meets SAAMI specs...and, if the gun can take +P, then regular PPU 38 Special ammo should be fine.

To be continued.......
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