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#647797 06/09/24 04:16 PM
Joined: Dec 2001
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Brian Offline OP
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Anyone have one? I need to cut the rim recess about .006" deeper. Colt New Service came my way that was originally .455 and was converted to 45 LC at some point in it s life but one chamber is too shallow.


Brian
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Brian,
I noticed no one answered with a reamer. There is another way you can do what you need. If you get a common counterbore, o can make a plug that fits the chamber and centers the counterbore. If you choose one a little larger than the rim recess and grind it to size, that will remove the small radius at the end. Since a counterbore cuts on the end, grinding it to the required diameter won't stop it cutting. If you turn it by hand with a tap handle and check it frequently, it's not likely to cut too deep. If you don't have a tool post grinder, you can easily "jury rig" one by stacking 3 or four cut-off discs together in a "motor tool" hand piece held in a boring tool holder, or a motor tool screwed into a steel bar (many nose caps are threaded 3/4" to hold the two sides of the motor tool together) held in the tool post. If you don't have either, the local gunsmith or machine shop will. Good luck.
Mike

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Brian Offline OP
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Thanks
I have all of the items needed to make a Rube Goldberg grinder to make the tool. figured if someone had a reamer it would make my life less complicated!!


Brian
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SKB Offline
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They are available for rent:

https://4drentals.com/product/45-colt/


http://www.bertramandco.com/
Booking African hunts, firearms import services

I miss Monkey Jim.

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