Hammer Mounted Firing Pin?

Harry58

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Should I be concerned about the hammer mounted firing pin breaking on my older ('70s & '80s) S&W revolvers? I have never had one break.
 
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Hammer mounted firing pins?

I like 'em.

Have dry-fired and thwacked a lot of primers with Smith & Wesson revolvers having hammer-mounted firing pins since the mid-1970s and haven't experienced the first broken one.
 
Should I be concerned about the hammer mounted firing pin breaking on my older ('70s & '80s) S&W revolvers? I have never had one break.

It appears that you answered your own question.... NO reason for concern - afterall, they made a kazillion of them before the frame mounted pins arrived.
 
I worked in a 1200 member police department and saw one break in 1985.

That was the only one I ever saw or heard of in my 30 years there, and it was on a new model 64 that was being broken in at the range.
 
You shouldn't be concerned unless you want to shoot the gun.
 
Thanks for the responses. I don't know why, but I just feel better about the frame mounted firing pins. It appears that these would see less stress than the hammer mounted ones.
 
Hammer mounted firing pins DO break.
This is rare, but it happens.
Do a search on most any gun forum and you'll see posts asking how to replace pins, or where to buy a new pin.

I was mostly a Colt repairman, but I did see at least a few broken S&W firing pins.
I "suspect" the broken pins were in guns that had been dry fired a lot.
 
They do break, but only on a rare occasion. All the Smith's I own have hammer mounted firing pins (with the exception of the .22's of course) and I have never broken one through the tens and tens of thousands of rounds fired. Can't honestly say I have ever personally known anybody who has had one break either - but I have seen posts from people that have had them snap.

This is something that I would definitely NOT loose any sleep over.

Chief38

ADDED:
I have popped out the rivets and firing pins on occasion when I have installed new hammers that I bought online and did not have the FP attached. Some of the hammers I have are stripped and have never had any parts on them (new old stock) and are just bare. Just wanted to let you know that a FP change is not the end of the world and is not that difficult to do. I also believe that Ron Powers now sells new rivets and FP's for Smiths should you not want to scavenge originals on line or in LGS's.
 
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S&W has made them that way for a long, long time. They have been heavily used under rugged conditions by law enforcement and shooting enthusiasts alike for more than a century.

Of course any mechanical device is subject to breakage, but I have to believe it is very rare to see a hammer nose break. I never have.
 
The internal firing pin on my L C Smith hammer gun built near 1900 broke in 1998. Same technology as the new S&Ws.

My oldest S&W hand ejector from about 1919 is still running strong.

All mechanical things are subject to breakage.
 
Just make sure that the firing pin pivots freely on the hammer and you won't have a problem with it breaking. An occasional drop of oil on the pin is all that is needed.
 
It appears that you answered your own question.... NO reason for concern - afterall, they made a kazillion of them before the frame mounted pins arrived.

Kazillion is not a word. It's bazillion or gazillion. One of them is more than the other, I just can't remember which one. :D
 
Master S&W gunsmith Ron Power has a machine he calls the 'clicker' which sets there and dry fires revolvers after he completes an action job. Thousands of clicks.

The hammer nose ( firing pin ) has only one service point and that is the rebound spring. It's hard to measure for wear or tension but on a re-work or action job I almost always would drive out the rivet, replace the little spring and peen in a new rivet. If I had to make an educated guess I'd say broken hammer noses are probably attributable to (1) hammer alignment, (2) weak or broken spring or (3) excessive protrusion.

Regards
 
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Not all guns were Smiths....

Some makes of guns, especially older ones, made the mechanism of the hammer/bushing put the firing pin in a delicate position, subject to stress and could break even by just firing the gun, much more by some mishandling. There used to be a LOT of brands of guns to choose from, some imported, some cheaply made or badly designed, which was often the case to avoid patent infringement by coming up with a less robust configuration.
 
Yes they do break, but not too often thankfully. Installing a new one is pretty straight forward and no real special tools are required so not a deal breaker on a vintage Smith IMHO. YMMV.
 
My 1988 Model 19 firing pin broke today. Fortunately for me, the LGS that I bought it from in July, gave me a 12 month warranty. I delivered the gun to them today for repair. I hope that it will be repaired quickly.
 
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