Hammer Shims — S&W K/L/N Frame Revolver
Hammer Shims — S&W K/L/N Frame Revolver
Hammer shims for S&W K, L, and N frame revolvers, used to center the hammer and take out side-to-side play. A hammer with a little lateral wiggle on its pin can feel sloppy and rub unevenly inside the action. These thin shims sit on either side of the hammer to center it, so it swings straight and the action feels tighter and more precise.
Why it matters: side play in the hammer lets it lean and drag against the frame or other parts as it falls, which adds friction and roughness you can feel in the pull. Centering the hammer with shims keeps it tracking straight, reduces that drag, and is one of the small touches that makes a tuned action feel clean and consistent.
Who it is for: shooters smoothing out an action, gunsmiths doing a tune-up, and anyone who can feel a little slop or grittiness from a loose hammer.
Key Features
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Removes side-to-side play in the hammer -
Centers the hammer for a straighter, smoother swing
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Thin stainless shims to dial in the fit
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For S&W K, L, and N frame revolvers
Installation note: fitting shims means pulling the side plate and hammer, so this is a job for someone comfortable inside an S&W action or for your gunsmith. Use just enough shim to remove the play without binding the hammer.
TK Custom is one of the top destinations in the world for S&W action work, and we hold these parts to the same standard we keep on our own bench.
Fitment
Fits S&W K, L, and N frame revolvers.
Specs
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Material: stainless steel
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Fits: S&W K/L/N frame
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Made in USA
Guarantee
Best fitment, quality, and durability in the industry, or your money back.
Free Shipping on orders over $250.00 in the USA only!
Smaller orders less than $250.00 are $9.95 for shipping.
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No International Shipping, except to Canada.
$35.00
Canada - Priority Mail / NO Tracking Out side of USA
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Hammer Shims — S&W K/L/N Frame Revolver
$19.95
Trigger Shims — S&W K/L/N Frame Revolver
$19.95
Endshake Shims — S&W K/L/N Frame Revolver
$19.95
Extended Firing Pin Kit — S&W Centerfire Revolver
$19.95
Bundle Total
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FREQUENTLY ASKED QUESTIONS
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Federal or Remington & others makes works the best with the .025 thick Full Moonclips, which fit all the .38/357 standard moonclip. They allow the cartridges to have some movement or wiggle so that they will fall right into the chambers once properly aligned. Winchester brass does not work at all as the groove width is too tight/small.
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Use this text block to discuss some commonly asked questions like shipping and returns, sizing, warranties, or product and company details.
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There is no SAAMI specifications for the extractor groove and each manufacturer makes them as they want. The following list gives you a great example. This is why the diameter size of the brass is critical to proper loading, unloading and fitment. Cartridge diameter too big and moonclip too small causes the moonclip to bend. The cartridge should rotate within their respective place and wobble slightly when all cartridges are loaded.
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If you are unsure about how to use moon clips for your revolver, or wondering which moon clip to use, call us. See the Contact menu tab.
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