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Old November 30, 2009, 03:02 PM   #1
grass range
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Join Date: October 28, 2009
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Colt barrel Tap

I have a Colt revolver frame with the internal threads for the barrel that are damaged. I have to recut these to accept the barrel but cannot find a tap. The threaded portion in the frame is tapered. This is a old Police Postive. Threads are 32TPI. Major dia at front of barrel is.563 and tapers down to about .550 at rear of barrel. I want to buy or rent a tap to clean up these threads.
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Old November 30, 2009, 03:38 PM   #2
mapsjanhere
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9/16-32, as for tapered http://www.jtsmach.com/jtswebshop/asp/home.asp should be able to get you one.
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Old December 3, 2009, 04:36 PM   #3
grass range
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Thanks Maps-I have contacted that firm but they have not replied
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Old December 3, 2009, 08:03 PM   #4
Dfariswheel
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The pre-1990's Colt barrel threads are .5634"-32, tapered .017".

The later Pythons and the Mark III and later models are different.
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