DAA 10-Pack Stainless 929 Moon Clips 0.037"/0.040"

Double-Alpha Academy

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Latest reviews

Rick ***
9 Mar 2024
I have both double Alfa and tk for my 929 the double Alfa wins my business on future orders, they are a little thicker and hold my Winchester brass a little stiffer for easier reloads, reasonable shipping time.
Rating: (5 of 5 Stars!)
Carlos ***
20 Jun 2022
Excellent product. No visible dilation in heavy sequence use compared to others that cause cylinder jam if used twice in a row.
Good technical info by the store for clarify what to use .037 or .040
Thank you for the good product and the related information on how to choose the proper thickness.
Rating: (5 of 5 Stars!)
Walter ***
1 Mar 2022
Not as magnetic as the original S&W TKC, i.e. not so "sticky" at the Moonholders, i like it!
With 0,037" slightly thicker - this did the trick - no more problems with jamed loads.
Rating: (5 of 5 Stars!)
pierre ***
26 Dec 2021
unable to say if I feel any difference between .037 and .040
Rating: (5 of 5 Stars!)
Charles ***
5 May 2019
Work like a charm in my 929, and I have yet to bend one! I’ve come to prefer these to regular spring steel moon clips when using magnetic holders. Not quite as magnetic as steel, but comes off the post easier while still staying firmly attached when running.
Rating: (5 of 5 Stars!)
stephen ***
2 May 2019
Another great product from CED. Fit's my 929 perfectly and works with all types of brass. The first moons I bought from CED are still in use after may thousand rounds.
Rating: (5 of 5 Stars!)


The Double Alpha 8-round 9mm Moon Clips are designed for the new and popular Smith & Wesson 929 9mm revolver.

These match-grade moon clips are comparable in quality and performance to the very best available, but at a more affordable price, achieved through volume and hi-tech production.

Our Moon Clips are laser cut from hardened 413 Stainless Steel achieving an unparalleled hardness of 44RC, making them extremely durable and resistant to bending and deforming. 

We now offer these popular moon clips in two thickness options: 0.037" (0.92mm) or 0.040" (1.00mm).

Depending on the type of brass you are using, and the headspace you have in your revolver, one type or the other will offer you the best performance. It's important, of course, to achieve just the right amount of retention of your ammo in your moonclips to enable the best, most consistent reloads. Choose the type to best suite your ammo specifications.

The stainless steel used is magnetic, and the smaller-than-most cutout for the extractor ensures more overlap and optimum performance when used on magnetic moon clip holders, such as our DAA 8-shot moon-clip holders.


Please note:

Brass dimensions vary greatly between brands and in some cases even within certain brands.

We have found that our moon clips work with most brands. However, for most brass, loading and unloading tools are required.

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