How to Fix Excess Cylinder Endshake on a Smith and Wesson Revolver | Smith & Wesson Revolver Project

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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.