Thanks for the reply weaselfire. I guess I should have "fleshed" out the information a bit more so you can give me your price.
Here you go. one .357 and one .44 magnum cylinder, BOTH already fitted for function to large frame first model Vaqueros chambered in factory 45 Colt.
They have proper B-C gap and head-space. They advance with the ratchet hand smoothly, and lock up tightly, and with a proper cylinder-bore alignment. There is a proper amount of cylinder end play.
When I can get you to rebore them to 45 a c p, with the proper seating depth for the acp cartridge, I am aware the .44 magnum will have a slight "over-bore" from the end of the bullet to the proper size of .451 or .452 at the final portion of the charge hole.
This little "jump" the bullet has to make, (inside the chamber) is about the same as a .38 special fired in a .357; and while leading might become an issue after repeated firing without cleaning; accuracy should NOT be affected anymore so than the .38 / .357 combo.
As for the .357 cylinder, when correctly rebored to .45 acp, it should be exactly the same as a factory .45 acp cylinder.
As to your other concerns, finish - new guns, or older guns that need parts and tune-up. The guns are new, and the cylinders are blue.
Is there a more, or less, price for stainless steel or carbon steel work of this nature ?
As to buying a new Talo in .45 acp, I already have one like that, which is what prompts me to want others; and, with not much cost; I already have the extra cylinders in hand.
Of course as you say, a .45 acp factory cylinder would be ideal, but, the factory no longer will fit one to a non-convertible, and they are running in the 200 hundred dollar plus range, when you can find one on G/B or ebay.
You also face the possibility of NOT being able to fit a used cylinder to your gun, as I was lucky enough to do with the two cylinders under discussion.
So, are you interested in taking on the job, or have a suggestion as to who will ?
Frankly, I would like to get the proper piloted reamers and hones and do the job myself, so if you, or someone else would point me to a "tutorial" on the work, I think I would tackle the job myself. At least one time.
Thanks