Ultimate Master Action Job
Ultimate Master Action Job
Our top-tier action package. Everything in our Performance Action Job plus additional hand-fitting, spring tuning, and refinement work reserved for competition guns and premium builds. This is the action work we put on our own match guns and the guns going out to serious competitors.
Every friction surface is polished to a mirror finish. Springs are tuned for the lightest pull that still delivers reliable primer ignition. The single-action break is crisp with almost no perceptible movement, and the double-action stroke is glass-smooth from start to finish.
What This Add-On Includes
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Everything in our Performance Action Job -
Additional hand-polishing to a mirror finish on all bearing surfaces -
Custom-tuned mainspring and rebound spring for the lightest reliable pull -
Hand-fitted single-action sear engagement for a crisp, competition-grade break -
Function and reliability tested with match ammunition before the gun ships
Why Add It To Your Build
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The best trigger we can put on a revolver -
Built for competition, precision shooting, and demanding use -
Delivered as part of your build, ready to run out of the box -
Backed by TK Custom, the leading name in S&W action work
This is a hand-built upgrade. Each Ultimate Master Action Job is fit and tuned by one of our senior gunsmiths.
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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