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Post by singleaction on Oct 30, 2023 14:35:32 GMT -5
I’m picking up a third generation, single action Army barrel 44 special that I would like to fit to a new Vaquero in 44 special. I believe I have read that the threads are the same for third generation Colts and new model Blackhawks and both types of Vaqueros. What all must a gunsmith do to make this work? I assume I will need a colt ejector housing assembly. There is an insert stud of some kind in the ejector housing hole on the side of the barrel of this particular barrel. Any advice and or explanations are greatly appreciated. Thank you!
Matt
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Post by singleaction on Oct 30, 2023 19:39:15 GMT -5
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Post by z1r on Oct 30, 2023 20:37:56 GMT -5
The threads on the .44 cal 3rd Gen SAA barrel I have are the same diameter and pitch as the Ruger bbl. That said, its not uncommon to see some slight variance and to have to, on occasion, have to fit a barrel that is supposed to be a "screw in" replacement.
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Post by singleaction on Oct 30, 2023 21:06:06 GMT -5
The threads on the .44 cal 3rd Gen SAA barrel I have are the same diameter and pitch as the Ruger bbl. That said, its not uncommon to see some slight variance and to have to, on occasion, have to fit a barrel that is supposed to be a "screw in" replacement. Thanks! |
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Post by bradshaw on Oct 31, 2023 7:58:02 GMT -5
I’m picking up a third generation, single action Army barrel 44 special that I would like to fit to a new Vaquero in 44 special. I believe I have read that the threads are the same for third generation Colts and new model Blackhawks and both types of Vaqueros. What all must a gunsmith do to make this work? I assume I will need a colt ejector housing assembly. There is an insert stud of some kind in the ejector housing hole on the side of the barrel of this particular barrel. Any advice and or explanations are greatly appreciated. Thank you! Matt ***** Providing threads match, and length of barrel tenons match, the next step to check THREAD TIMING. My preference is for the barrel to hand tighten to 10 or 12-degrees BTDC (Before Top Dead Center). This avoids a compression ring in the bore where barrel shoulder meets frame. When Gorilla Monsoon works in the barrel fitting department, he torques a barrel which hand tightens 30-degrees BTDC like lug nuts on a truck. This disease plagued Ruger for years, and has been seen in other factories. It’s not torque poundage that matters on screwing a barrel into a revolver frame; the issue is THREAD TIMING. If a torque wrench is used as the measure, a rib must be indexed on the barrel before it is machined; pre-attached sight must be indexed on the barrel blank prior to attachment. THREAD TIMING was incorporated long before any of us were born. No 19th century frame would withstand Gorilla Monsoon’s wrench. By all means, try the Colt ejector assembly. Do the usual ejector checks. Unmentioned so far, but critical to accuracy----the FORCING CONE. Be sure it is concentric and smooth, preferably short. If the factory cone is rough or off-axis, correct in a lathe. Barrel gap is set last, preferably in a lathe, with measurements taken in conjunction with thread timing. No chamfer of forcing cone on barrel face!David Bradshaw |
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Post by z1r on Oct 31, 2023 9:09:21 GMT -5
The beauty of the Colt barrel, at least the one I have, is that the tenon is long which allows for getting both a tight cylinder gap and recutting of the forcing cone.
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