Trigger Shims — S&W K/L/N Frame Revolver
Trigger Shims — S&W K/L/N Frame Revolver
Trigger shims for S&W K, L, and N frame revolvers, used to take the side-to-side play out of the trigger. From the factory, or over time, a trigger can have a little lateral wiggle on its pin. These thin shims sit on either side of the trigger to center it and remove that slop, so the trigger moves straight back with no side play. A small change that makes the action feel tighter and more precise.
Why it matters: a trigger that can lean side to side drags unevenly inside the action and gives the pull a slightly mushy, inconsistent feel. Centering the trigger with shims keeps it moving straight through the stroke, which cuts that drag and is one of the small refinements that separates a tuned action from a stock one.
Who it is for: shooters smoothing out a trigger, gunsmiths doing a tune-up, and anyone who can feel a little slop in the trigger.
Key Features
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Removes side-to-side play in the trigger -
Centers the trigger for a straighter, cleaner pull -
Thin stainless shims to dial in the fit -
Drop-in part for a gunsmith or a comfortable home installer
Installation note: fitting shims means pulling the side plate and trigger, 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 trigger.
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 -
Fits: S&W K/L/N frame -
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.
No Free Return Shipping with Labor
No International Shipping, except to Canada.
$35.00
Canada - Priority Mail / NO Tracking Out side of USA
Bundle Discounts
Save more when you purchase compatible products together with TK Custom Bundles.
Trigger Shims — S&W K/L/N Frame Revolver
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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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