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Discussion Starter #1
I was able to buy a blue 45 ACP cylinder to use with my KBN-44. After much discussion with the owner I made the determination that cylinder would fit my frame with either none or very little fitting. After a thorough cleaning the cylinder slips into the frame, and the gun cycles and locks up as it should. However, the b/c gap is .003" with 0 (zero) endshake.

The original 45 Colt cylinder has an endshake of ~.002" and a b/c gap of about ~.005" with the cylinder pushed forward.

Here is my question. Should I remove about ~.002 from the ratchet column to reduce the possibility of the cylinder binding. This would increase the b/c to around ~.005.

Or, should I leave it alone for the time being and see how it runs?
 

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Sounds like it fits well, which is a surprise in itself. I’d shoot it to see how it runs.
 

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Don't remove any metal at all!!! If you can remove/replace the cylinder for cleaning, a tight endshake is more desireable. The same goes for a tight B/C gap. Most Blackhawk owners would wet their pants for a tight cylinder fit like yours has.
 

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For Goodness Sake ... Leave it Alone !!!
Tight is better than loose and clean burning 45 acp loads are easy to work up .
Clean it after every range trip and you should have no problems .
Also a little shooting might just wear in a little more clearance .
I have a really tight 45 acp revolver ...it shoots tighter groups than my Colt Gold Cup target pistol ... !
Gary
 

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Discussion Starter #5
Makes sense to just let it be for awhile. I'll shoot some rounds through it this weekend and see if all goes well.
Thanks for the comments.
 
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