Ruger GP-100 .38/.357 Moon Clips
Ruger GP-100 .38/.357 Moon Clips
Built for shooters running a Ruger GP-100 6-shot .38 Special or .357 Magnum that's been cut for moon clips. The GP-100 is a workhorse revolver across competition, range use, and hunting setups, and a moon clip reload turns it into a much faster gun off the trigger pull. These clips are cut to match the GP-100's factory cylinder dimensions and hold consistent headspace through hard use.
Key Features
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Precision machined from premium stainless steel -
Tighter tolerance than anything else on the market -
Holds consistent headspace whether you're shooting slow or fast -
Rounds drop in clean and strip out clean -
Geometry dialed in specifically for Ruger GP-100 6-shot cylinders
TK Custom is the OEM moonclip supplier for Smith & Wesson and applies that same precision standard to every clip we cut for other revolver platforms, including Ruger.
Fitment
Fits all factory machined Ruger GP-100 6-shot .38 Special or .357 Magnum revolvers. Moonclips only work in cylinders that have been machined to accept them. Most factory GP-100 cylinders are not cut for clips. Verify before ordering or contact us to confirm. If your cylinder isn't machined for clips, we offer the Moon Clip Machining service. Ammunition extractor groove dimensions vary between brands and between production runs of the same brand. We can't guarantee any clip fits any specific lot of ammo. If you reload Starline brass, look at our Starline-cut GP-100 .38/.357 clips.
Specs
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Material: stainless steel -
Cut for: Federal .38/.357 brass dimensions (fits widest range) -
Made in USA -
Pack sizes: 3, 5, 10, 15, 25, 50, 100
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
Ruger GP-100 .38/.357 Moon Clips
Moon Clip Unloading Tool — .38/.357 / 9mm / 10mm Revolvers
Ruger GP-100 .38/.357 Moon Clip Loading Tool
HiViz Ruger GP-100 Front Sight — Interchangeable Fiber Optic
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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