
Moon Clip Checker for S&W Model 929 – 9mm Fit & Function Test Tool by TK Custom
TK Custom 929 Checker: Competition Reliability, Round After Round
In competition, shooting speed is everything, but reliability wins matches. The TK Custom 929 Checker is purpose-built to ensure your 9mm rounds feed flawlessly in your Smith & Wesson® 929 revolver, so every reload is fast, smooth, and problem-free.
Key Features
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PRECISION-MACHINED – Matches exact chamber specifications of the S&W 929 for accurate, reliable testing.
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FAST & EASY CHECKING – Simply drop each round into the gauge; if it seats flush, it’s match-ready.
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COMPETITION-FOCUSED – Ideal for USPSA, ICORE, and other revolver matches where flawless reloads are critical.
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PROBLEM PREVENTION – Helps catch out-of-spec reloads, high primers, case bulges, or burrs before they cause malfunctions.
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DURABLE BUILD – Made in the U.S.A. from high-grade aluminum or steel for years of use.
Why Shooters Choose TK Custom
From the range to the match, the TK Custom 929 Checker gives you the confidence that every round will feed smoothly. Letting you focus on winning and not fixing malfunctions.
Spec Ops Profile
- Part Name: TK Custom 929 Checker
- Compatible With: Smith & Wesson® 929 (9mm, 8-shot)
*Quality you can see. Reliability you can trust.*
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

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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