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S&W-Smithing Maintenance, Repair, and Enhancement of Smith & Wesson and Other Firearms.


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Old 04-14-2017, 11:45 AM
Seppeku Seppeku is offline
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Hi guys!

I didn't know if this was the right place for this thread, but I started here.

I'm considering this N frame and this pic is among the set that I got.

To the trained eye, what can you tell me about the gun looking at this forcing cone pic?

The rest of the gun looks good. It's a 29-2 Nickel.

Thanks for the input!
Steve
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Old 04-14-2017, 12:00 PM
Protocall_Design Protocall_Design is offline
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That one looks to be cut correctly, although the surface is a bit rough. For jacketed bullets probably OK, for lead I would smooth it out with lapping. We can only see one side, but if it looks equal all the way around, I'd say it's good to go.
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Old 04-14-2017, 12:09 PM
lebomm lebomm is offline
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This forcing cone shows a bit of erosion typical with the use of high velocity/pressure ammunition, but not enough to worry about, IMHO.
The actual taper of the cone shows light, probably original tool marks which, along w/the light erosion indicate to me a used, but not abused gun. The bore shows traces of metal fouling, but those will disappear with an assiduous cleaning using a good solvent such as Hoppe's #9 or GI bore cleaner. There is some light gas cutting of the topstrap, but this is also quite typical and not worrisome.
If the rest of this gun appeals to you, it's probably a safe purchase. Please let us know what you decide, and don't forget the range report.

Larry
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Old 04-14-2017, 12:31 PM
Seppeku Seppeku is offline
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Hey Thanks Guys! I really appreciate the feedback!

Makes me feel better about the purchase of a used gun.

Thanks again!
Steve
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Old 04-14-2017, 01:16 PM
Seppeku Seppeku is offline
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Mister X, you're talking about the inside edge on the left side? I saw that too and it's part of the reason I posted this up to get some opinions of guys that know what they're looking at.

Thanks for pointing that out.
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Old 04-14-2017, 01:28 PM
Mister X Mister X is offline
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Quote:
Originally Posted by Seppeku View Post
Mister X, you're talking about the inside edge on the left side? I saw that too and it's part of the reason I posted this up to get some opinions of guys that know what they're looking at.

Thanks for pointing that out.
Yes, that is what I was referencing. It could just be the angle, but it doesn't look like it continues around on the other side.
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Old 04-14-2017, 01:46 PM
Big Cholla Big Cholla is offline
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That looks like a typical 11 deg. cone. It also looks "ok" to me. I wouldn't worry about it in the least. I have found that 'most' handgun forcing cones are not cut wide enough at the butt end, but that might be deliberate on the factory's part to allow a re-cut and re-refreshing at sometime in the future. BTW, I don't see anything alarming on the left side. ....

OK, I went back and enlarged the pic enough to get a better look. I think that I'm seeing the results of more of the blow-by going out the left side of the barrel/cylinder gap. If that is the case that means the butt end of the barrel is surfaced off on a slight slant that way. Even so, it might be so slight that it is no never mine. If your determined that it is too far off, the only solution to keep the proper barrel/cylinder gap would be to have a pistolsmith set the barrel back one turn and redo that whole fit up.

You can easily check the above by having a friend help you. Take several pieces of white printer paper and some moderate lead bullet loads out to the range. Have the friend hold one sheet on the left side about 12" out from the barrel/cylinder gap. The friend should wear leather gloves, but most of all he should center the paper on that gap. Shoot a shot. Now, do the same over on the right side. This is a great test on all the chambers. So you might want to take the time to do this test on both side for all six chambers. Label all the pieces of paper and number the chambers so you can later identify the results on each piece of paper. The patterns you 'read' on the paper will quickly tell the story of the blow-by left side vs. right side. Then you have very good information with which to make a decision.

Last edited by Big Cholla; 04-14-2017 at 03:32 PM.
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Old 04-14-2017, 02:56 PM
Seppeku Seppeku is offline
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Thanks Cholla! I'll take that into consideration before buying. I can't shoot it for testing before buying since it's an out of state purchase.
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