I have no idea and I've been trying to figure out what the number the dash mean. I'm about to get a model 10 and I'm looking at a 10-6, 10-8, and a 10-10. What do they mean? Thanks.


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J Dyer
2 Cor. 5‬:‭17‬

They represent changes to the original design. 10-1 = 1st change usually an improvement. I believe that is correct. Please don't hold my feet to the fire on this. I sure someone on the forum will chime in.

Hello,
10-6 (1962) Trigger guard screw eliminated on heavy barrel model.
10-8 (1977) Gas ring changed from yoke to cylinder on heavy barrel model.
10-10 (1988) New yoke retention system/ radius stud package/ floating hand hammer nose bushing on heavy barrel model.

It is an engineering revision number.

Designs are always changing. For example going from a flat latch to a contoured latch would not trigger an increase in dash number since either part could be used in a repair for either version

However a change that would require different parts would trigger the number to be incremented. For example when the ejector rod thread pitch changes from right hand to left hand, the parts would not be interchangeable.

Yes , that is correct.

The reason those numbers are important, is that some of us prefer the older models with certain extra steps that were taken for quality. In the 27 and 29s for example, the models made before the -3, were pinned and recessed, which makes them more desirable to some.

Also, using the 29 as an example, some variations are rare and therefore more valuable, such as the 29-1.

In a model such as the model 10, which has always been an entry level type revolver, any variation should give you years of quality service.

Thanks for all the answers I've been wondering about it for years.


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J Dyer
2 Cor. 5‬:‭17‬

Get yourself one of these, all will be answered (well, most, anyways);

Standard Catalog of Smith & Wesson - Jim Supica, Richard Nahas - Google Books

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ΜΟΛΩΝ ΛΑΒΕ

Hi
You've been given good answers, but I'll add that it is a more complex question than it seems at first blush. That's because it varies a bit from model to model.
Since you asked about the Model 10, I'll point out that the revision numbers (dash numbers) do not sequentially indicate newer engineering changes. That's because on this particular model (and it is true to some extent on the Model 36 also) the numbers reflect changes on two different barrel styles. So the engineering change on the Model 10-5 and 10-6 was identical, but the dash 5 is on the standard barrel and the dash 6 is on the heavy barrel. The same applies to the -7 and -8.
On some models, certain dash numbers were skipped. The Model 53, for example, never had a dash 1, because when the original model was produced, it already had left-hand threads on the extractor rod. So the first change to that model (the change to the cylinder stop that eliminated the trigger guard screw) was designated the dash 2.
I hope this helps and doesn't confuse matters more for you. (It actually can be confusing if you don't see how the patterns work.) If you are really interested in this stuff, take 2hawk's advice and get a copy of the Standard Catalog, 3d Edition.
Welcome to our wonderful world!

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Jack
SWCA #2475, SWHF #318