How to Fix Excess Cylinder Endshake on a Smith and Wesson Revolver | Smith & Wesson Revolver Project
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- Опубликовано: 16 июл 2013
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When the cylinder of a revolver has a lot of front to back play or movement, it’s called end shake. It’s a problem that is easily corrected if you have the right parts. In this video, Larry Potterfield, Founder and CEO of MidwayUSA, demonstrates the process for correcting end shake. After measuring for the exact amount of end shake using a feeler gauge, he begins by removing the yoke retaining screw, the yoke, and the cylinder. Using a padded vise and some snap caps to protect the extractor, he disassembles the cylinder assembly. A Power Custom cylinder end shake bushing is used to take up the slack in the cylinder to yoke fit. These bushings measure only two-thousandths of an inch thick. Once the bushing is lubricated it is dropped into the cylinder and the gun is reassembled and checked for proper fit.
Normal barrel \cylinder gap on s&w revolvers is .006. Any less and the cylinder will bind during rotation with a slight bit of dirt. Any more and you'll lose velocity and have abnormal flame cutting off the top frame. Larry Potter field is the man !
I wish everyone had the demeanor of Larry Potterfield. The world would be so much better of a place!
Cylinder end shake is very common once a double action revolver has been broken in. Nothing wrong by putting in the shim to solve the problem: most likely it will never occur after this has been done as the steels of the pistol have compressed and hardened from recoil. Of course if your firing low recoil ammunition this may not occur in the first place, My model 29 Had a shim placed after 300 rounds of .44 Magnum rounds and after over 6000 rounds is still tight as a tick.
but what is the ideal gap?
He made the job looked way too easy.
thank you very much for these videos. I inherited a 10 shot .22 revolver that is so worn down that there aren't even any manufacturer marks anymore. but I was able to get it to working condition because of your videos.
I could spend untold piles of money on tools after watching Larry's videos.
I just inherited my fathers .357 model 28 and it has excessive end shake. Thanks for the awesome video, it’s much easier to fix then I thought it would be
I truly admire Larry Potterfield, quality man.
Finally a repair I can do........lol
Larry Potterfield's a blessing to gun people, indeed.
I just came across this video series and I am so very grateful for these and for all the great things you all do at Midway. Thank you Larry!
Tank you Larry, i learn in this vídeo to disassembly cylinder to my hand gun.
Thanks Larry, I always wondered how you accomplished that task.
As always Larry, great vids !!
I wish I could give this video 1000 likes!
That is a gorgeous Model 67
Acceptable b/c gap is from .003 to .007 or so. Any tighter & the cylinder will bind from fouling & any larger you will loose velocity.
This man is awesome. I would love to be his apprentice.
i used to assemble those mitotoyo feeler gauges