Barrel Threads

[Bad Habit]

I recently bought a S&W M10-14 revolver. It is a police trade in. The outside of the gun is not in bad shape, but inside of the barrel it is pitted.

A friend has a barrel from a Taurus M82 that he willing to give me.

Before removing the M10 barrel I need to know the M82 barrel will fit.
Does anyone know if the threads are the same?

 

[Alk8944]

The Taurus threads are not the same as the S&W.

 

[BLACKHAWKNJ]

Taurus threads are metric.

 

[Bad Habit]

Taurus threads are metric.

Never gave that a thought.

 

[WR Moore]

While the Taurus products look like S&W, internally, they're different.

 

[stansdds]

Taurus and S&W revolvers generally share only three things, exterior appearance, holsters, and speed loaders.

 

[steelslaver]

You can find lots of model 10 barrels on Ebay, gun broker, and Numerich. They all have .540-36 threads. A model 10-10 barrel would thread into a 100 year old M+P 38 special. But, each may or may not need some minor adjustment. The most being if the barrel don't torque up correctly with the front sight at 12:00 and the barrel lug at 6:00. Then the rear shoulder of barrel will need some adjustment. The barrel to cylinder gap might also need some adjustment as well as the final length of the ejector rod and center pin.

In addition to that the profile of the top of the frames and barrels are not all the same. A heavy barrel will not match up perfectly on a frame that had a tapered barrel etc etc.

Barrels from one model 10 might fit another model 10 perfectly even if they different dash numbers that were made 25 years apart. 2 made the same day might take some fine adjustments to fit properly

 

[BLACKHAWKNJ]

Also I would shoot it first, IMHO we are a little too sensitive to barrel pitting, I have a 1943 Walther-made P-38, barrel is dark, shows pitting, but is accurate.

 

[bedwards]

I would think, if its not right in the crown, pitting would not be a big deal.

 

[DWalt]

Also I would shoot it first, IMHO we are a little too sensitive to barrel pitting, I have a 1943 Walther-made P-38, barrel is dark, shows pitting, but is accurate.

First thing would be to determine if the existing barrel presents a problem. Pitting does not necessarily make it a poor shooter. Swapping a revolver barrel is a task not to be taken lightly.

 

[steelslaver]

Also before proceeding take a brass brush, take some stands of copper from a copper chore boy pot scrubber and wrap around the brush. Pass that down the bore a dozen times and then check the barrel. It might be firmly embedded lead or fouling and not actual pits.

Make sure it is really copper by using a magnet. Once you buy one for this kind of stuff it will last forever using one strand or 2 at a time.