Revolver identification
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Hair Trigger
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It's a 1976 Model 10-6 with the tapered barrel (also called a light or pencil barrel). The other numbers you include are production line numbers and not related to the serial or manufacture date. The grips are not original, they would be walnut magna stocks like these:
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Welcome to the forum from the Commonwealth of Virginia.
C Islander
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Welcome from Ohio!
Hi from Salome, AZ.
Delta Expatriate
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Welcome to the forum from a fellow Mississippian.
Welcome from Tampa.
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The M10-6 was the heavy barrel engineering change, either it's a M10-4 or M10-5, or it's been re-barreled.... The M10-4 had the 1/10" wide front sight while the M10-5 had the newer 1/8" wide front sight. All three (M10-4, M10-5 and the M10-6) ran concurrently in the same s/n range.
In either case it should be stamped with the model & engineering change in the yoke area....
FYI...
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Hair Trigger
US Veteran
Thanks for the correction. I was going solely by the SN and the timeframe it fell in. I forget the M10 is a lot like the M25 in that there were concurrent series numbers depending on the configuration. OP should respond and show us inside the yoke cut.
OLDSTER
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Hi from North Dakota 
Welcome aboard from coastal North Carolina.
Welcome to the forum from Texas.
Welcome from the Great Plains of Nebraska!
Exactly. AFAIK the "even numbered" dash numbers are the heavy barrels, and the "odd numbered" dash numbers are the tapered or "pencil" barrels.
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Well, it started out that way..... but in 1952 things changed. The HB dash numbers are M10-1, M10-3, M10-6, M10-8, M10-10 while the standard/non heavy barrels are the M10-2, M10-4, M10-5, M10-7, M10-9 and so on...
When the M10-2 changed to the M10-4 and M10-5 it was due to S&W keeping the early 1/10" wide front sight in the line-up (M10-4), the newer 1/8" wide front sight (M10-5) and all later guns were standardized to the new wide front sight.
I use the term non-heavy rather than tapered here simply due to the fact that in later engineering changes (~10-11ish) the taper went away but the barrel was not as heavy as the M10-12 and M10-14. although I've never seen nor heard of a M10-12 yet.
The M10-13 is the Commemorative version, an (almost) faithful reproduction of the original Model of 1899....
Check out the SCSW V4, page 206....
I used to have a few M&P/Model 10's in the collection, here's cabinet that held them....
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Looks like you are going to have a decent, servicable Model 10. With a little TLC you can make it look and operate better. Welcome to the forum from Northeast Mississippi.
It's been mentioned earlier that this gun may be a barrel change and should be in a HB configuration. Looking at the op initial pictures it does Not appear to be a HB Frame. My understanding is a HB frame top strap would not taper to accommodate a light or pencil barrel.
Correct if I'm wrong here as I'm going by memory and the lines seem to flow correctly on op gun. Btw welcome to the forum.
Correct if I'm wrong here as I'm going by memory and the lines seem to flow correctly on op gun. Btw welcome to the forum.
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You might be on to something but I've personally been dup'd by pictures before, it would be great if the OP can provide a pic of the yoke area, maybe the gun is mis-marked as it relates to the model number, or maybe the 10-5 stamping looks like M10-6????? From a serial number perspective both engineering changes ran at the same time........
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A follow up
For clarification here's a couple shots of a Standard barrel vrs Heavy barrel where the barrel meets the frame.
This is a M10-5, notice there is a nice gradual taper of the frame to the barrel (no step)
Here's a M10-3
Here's a comparison of a couple 3" barreled guns, a standard vrs. heavy frame & barrel.
For clarification here's a couple shots of a Standard barrel vrs Heavy barrel where the barrel meets the frame.
This is a M10-5, notice there is a nice gradual taper of the frame to the barrel (no step)
Here's a M10-3
Here's a comparison of a couple 3" barreled guns, a standard vrs. heavy frame & barrel.
