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Post by Mark Terry on Jun 25, 2009 21:49:24 GMT -5
How is a base pin bushing removed from a single action cylinder?
I have Kunhausen's books on the Colt and Ruger single actions, and if he covers it, I can't find it.
Thanks,
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Post by J Miller on Jun 26, 2009 9:21:32 GMT -5
The old 1st and 2nd generation Colt style just slides out. Some might be tighter than others and need some encouragement to out, some might just fall out.
The earlier 3rd Gen cylinders have a short pressed in bushing that require gun smithing to get them out, whereas the later 3rd gen cylinders returned to the original style.
Most of the single action copies are like the original and later 3rd gen Colts.
Rugers don't have a base pin bushing unless they've been altered.
I'm pretty sure that's the way of it. If I'm wrong someone will correct me.
Joe
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Post by nobearsyet on Jun 26, 2009 11:02:35 GMT -5
Now for my stupid question of the day, how does one go about putting a base pin bushing in a ruger (one of the guns I picked up recently has excessive end shake and I don't want ot have a new cylinder made)
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Post by Gary @ R&G on Jun 26, 2009 14:05:09 GMT -5
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Post by Mark Terry on Jun 26, 2009 14:52:09 GMT -5
Thanks for the advice and feedback. It's been a little of a mystery but I'm learnin' as fast as I can.
Mine has what appears to be a longer bushing and is likely not pressed in but removal hasn't been attempted (one of the only references in the Kunhausen Colt book is an illustration of a 'peened' bushing removed with a steel punch).
See if I understand this; There are three basic ways to correct excessive end shake:
1.) Put shims in on the base pin in front of the cylinder next to the frame.
2.) Stretch the gas ring on the cylinder
3.) Install a new, longer, base pin bushing (does not apply to Rugers which have no bushings)
Shims are probably easiest but could be lost on cylinder removal (applies to Colts and clones and Rugers)
Since Rugers have an 'integral' base pin bushing, stretching the gas ring is another choice (Brownells says can be adapted to Colts (?)).
Replacement of the base pin bushing with a new longer bushing is an option provided the gun uses a bushing (Colts and clones).
The ultimate resolution, not available to most of us mortals, is to make a new cylinder. Then again, you could sell the gun and buy another that doesn't have the problem or send it to one of the 'smiths and have it massaged back into shape.
This about right?
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Post by J Miller on Jun 26, 2009 16:41:32 GMT -5
Thanks for the advice and feedback. It's been a little of a mystery but I'm learnin' as fast as I can. Mine has what appears to be a longer bushing and is likely not pressed in but removal hasn't been attempted (one of the only references in the Kunhausen Colt book is an illustration of a 'peened' bushing removed with a steel punch). See if I understand this; There are three basic ways to correct excessive end shake: 1.) Put shims in on the base pin in front of the cylinder next to the frame. 2.) Stretch the gas ring on the cylinder 3.) Install a new, longer, base pin bushing (does not apply to Rugers which have no bushings) Shims are probably easiest but could be lost on cylinder removal (applies to Colts and clones and Rugers) Since Rugers have an 'integral' base pin bushing, stretching the gas ring is another choice (Brownells says can be adapted to Colts (?)). Replacement of the base pin bushing with a new longer bushing is an option provided the gun uses a bushing (Colts and clones). The ultimate resolution, not available to most of us mortals, is to make a new cylinder. Then again, you could sell the gun and buy another that doesn't have the problem or send it to one of the 'smiths and have it massaged back into shape. This about right? The shim idea between the front of the cylinder and the frame is a pain in the rear. I've tried it and although it works, it's a lot of trouble. On the Colts and clones with the removable cylinder bushing Power Custom makes shims that go between the head of the bushing and the cylinder. They work great, you just gotta take care not to loose them when you clean the gun. I have .008" worth ( 4 x .002" ) of them in my Uberti Cattleman parts gun. You can also buy new cylinder bushings from the manufacturer or Belt Mountain and fit them to remove the end shake. The newer Colt cylinders with the pressed in bushing can have a new bushing made and installed or you can buy a kit from Power Custom that comes with a new bushing and some shims. How to get the old bushing out is the question. I don't know the answer. For the Ruger you can as you said, stretch the gas ring to remove the end shake. You can also mill off the gas ring, machine a pocket and install a new bushing. Then fit it to remove the end shake. This is what I had done to my OM BH .357. It had so much end shake the front of the cylinder was smacking the rear of the barrel. Not any more. I consider any shim as a bandaid. I use them only to hold me over until I can do the correct and permanent repair. I used home made shims in my OM BH .357 until it was properly fixed. The shims in my Uberti will go back in the package when I get the new cylinder bushing fitted. Joe |
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Post by Mark Terry on Jun 26, 2009 20:53:36 GMT -5
Thanks, Joe. I appreciate the information and confirmation. I'm like you, I think the shims aren't a good long term solution.
I talked to Kelye Schlepp at Base Mountain this afternoon and will have a bushing and base pin next week. Everything members have said about Kelye is correct.
Thanks
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Post by nobearsyet on Jun 27, 2009 10:11:42 GMT -5
I see, mill of end of cylinder, cut recess with mill, press fit in plase, hmmmmm, looks like mike gets another one of my jobs
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kooz
.327 Meteor
Posts: 618
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Post by kooz on Jun 27, 2009 11:16:57 GMT -5
For a Ruger, the best option is to ream out some of the existing bushing and have a new bushing pressed in and then refitted to the frame for minimal endplay. The problem with the gas ring option is that you are not adding metal to fill the gap you are just stretching the existing metal out and it will eventually loosen back up, especially with hot loads.
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Post by Mark Terry on Jun 29, 2009 21:48:08 GMT -5
I spoke with Kelye on Friday (late Friday as a matter of fact).
The base pin bushing, Colt style oversize base pin, plus a #5 base pin for my Ruger Bisley arrived today. How much better service could anyone expect?
On top of that, my copy of Big Bore Sixguns arrived (new, no less).
To top it off, a friend contributed nice black walnut plus some incredible dense south american walnut for grips.
So many projects, so little time.....
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Post by nobearsyet on Jun 30, 2009 11:47:29 GMT -5
isn't that the way it always goes?
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