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Old April 23, 2011, 06:14 PM   #1
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Join Date: December 27, 2010
Posts: 209
Shims to Tighten the Action

Reproduction B/P handguns can come from the factory with excessive clearances. Shims can tighten the action and give the gun a crisp feel.

For my Open Tops I cut shims from copper shim stock. Brass will work well also. The hammer shim is .008" and completely eliminates hammer wiggle without any noticeable friction. The rectangular hand shim is .012" and has the effect of making the hand seem slightly longer while keeping hand in close contact with the hammer. The trigger and bolt shims on my gun are each .012". By mixing and matching trigger/bolt shim thickness you can slightly reposition the bolt to correct for Cylinder/Barrel alignment issues. Shims can also be used to eliminate loading lever rattle.

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Old April 23, 2011, 07:12 PM   #2
Bill Akins
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Join Date: August 28, 2007
Location: Hudson, Florida
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Excellent. Thanks for those tips SmokinJoe.

You can also make a shim where the barrel meets the two pins on the frame to give more barrel to cylinder gap if the cylinder is binding against the forcing cone.

Moderator, could we get this post of SmokinJoe's up as a sticky? Because otherwise I won't remember those shim thicknesses he posted.

"This is my Remy and this is my Colt. Remy loads easy and topstrap strong, Colt balances better and never feels wrong. A repro black powder revolver gun, they smoke and shoot lead and give me much fun. I can't figure out which one I like better, they're both fine revolvers that fit in my leather".
"To be sure of hitting the target, shoot first and call whatever you hit the target".
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