I'm looking for a reputable gunsmith to turn the barrel in a revolver.
The catch is - the revolver is a 1917 Colt.
It shoots a bit to the left.
Any recommendations?

Most likely shooting to the left has to do with your trigger pull or grip.

Have someone (who is a good shot) shoot it and see how it prints.

just for giggles look at muzzle (unloaded ) for damage to crown.

I have no problems with any other handguns - and can hold 1 1/4" groups at 25 yards, consistently, sitting, off my knees. 44 mag.
Be polite - at least 'til you know what you're talking about - and to whom.

While I didn't notice any, I can't say whether or not I really inspected it. I'll dig it out and do that.
Thanks for the nudge. I just kinda thought that in WWI times, manufacturing was "rushed" and QC came in a bit in second place.
Minute of trench, so to speak!

No recommendations of a good revolver smith?
I'm sure there are some.

I would tap the top of the front sight blade to the left on my gun. If that didn't do enough then I would have a 'smith to work on it. Be Well, RZ.

I had similar issues with Colt New Service revolvers. Those big framed revolvers with their open grips tended to twist in my hand. I discovered that grip adapters cured that for me, that indeed the fault laid with the grip.

How much to the left at what distance?

Surely there is someone in the Raton area that could do that for ya.
Can't be more than a thou or two to fix it.

If you're located in the Raton, NM area, it's a short drive north to Trinidad, CO and the gunsmithing school at Trinidad State Junior College. Surely someone in the gunsmithing department there can help you.

Not sure Trinidad isn't closed for Covid - I'll have to check.
Shoots ~ 4" left @ 6 yards.
No gunsmiths left in Raton, AFAIK.
I'll try to find and give a grip adapter a try - hopefully that would work. Not sure as I don't have to shift my hands during a cylinder full.

Is the barrel visibily cocked to the right or the notch in the topstrap off center? 4” at 6 yards indicates a substantial misalignment that should be visible to the casual observer.

"Assuming" a 6' barrel and a with few other SWAGS thrown in, the sight is off somewhere at or over 0.10".

I think that is discernible to the naked eye.
Can you note any tilt off to the opposite direction to the bullets impacts.

Oh, something I had not considered, is the barrel bent.
Gun from that era may well have been used for attitude adjustment purposes.

This fellow is reported to be an excellent Colt gunsmith: http://glenncustom.com/

Don't be offended, until you know offense was intended.

Theo, I wasn't offended - just explaining.
That response DID, however, make me think about the original stocks and their shape.
I don't remember shifting my grip between shots, but may be doing it sub-consciously.
The T-Grip suggestion is one I'll try before the pistol goes to a 'smith.

I'm not easily offended, and no broke off cedar post was applied vigorously to the side of my head - so no offense taken!
I thank ALL for the suggestions, including Reba.