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Old August 17, 2008, 08:30 AM   #1
Join Date: July 26, 2008
Posts: 36
Chipped Firing Pin

I've got a S&W 610-3 (floating frame-mounted firing pin).

It fires .40S&W at 100% (small pistol primers), but will not fire a single 10mm (large primers). The strikes on all primers look funny, like the pin tip may have chipped - it's not a neat concave bowl, but rather a ring with a very small convex portion in the center, and it's not perfectly concentric. When looking at the pin silhouette from the side while in lockup, it looks flat at the tip.

I guess I'm off to find a shop manual and a firing pin. Any suggestions on which manual and sources for both? Brownells only has parts listed for a -2. I'll probably get a mainspring while I'm at it just in case...
big_bang is offline  
Old August 17, 2008, 08:49 AM   #2
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Join Date: February 20, 1999
Location: home on the range; Vermont (Caspian country)
Posts: 14,270
Might chat it up with the fine folks at S&W service?
"all my ammo is mostly retired factory ammo"
WESHOOT2 is offline  
Old August 17, 2008, 11:38 AM   #3
Join Date: July 26, 2008
Posts: 36
That is an option I am retaining. I have performed work on other firearms, and am mechanically competent. This would simply be my first venture into a double-action Smith. I'd like to learn my machine.

My only real issues at this point are
1) recommended manual
2) Parts source for a -3 (outside the factory option)
big_bang is offline  
Old August 17, 2008, 05:56 PM   #4
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Join Date: August 19, 2007
Location: Montmorency Co, MI
Posts: 1,223
Is there an ID number engraved on it. Ahhhnold would like that.
langenc is offline  

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