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Home » Accessories & Parts » Gas Gun Parts » Valves

Evike.com Moondog Industries Universal Gas Fill O-Ring Set for Airsoft Gas Gun Magazines
(Color: Red)

ID: 33981 (Parts-MI-101012)
O-Rings
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Moondog Industries

$5.95

Color Options:
ColorPink$5.50
ColorRed$5.95

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Product Description

Tired of gas leaking out of the fill-valve when you are charging it?
Apply these o-rings to your gas magazines and they will fill like never before.
Replace blown out or worn out o-rings on gas gun magazines, grenades, and shells with this quality upgrade product. Meets or exceeds original equipment specifications.

For WE, KJW, KWA, HFC, Bell, Tanaka, Marushin, Maruzen, WELL, Snowwolf and other compatible models. *May not work on certain TM models due to tiny valve.

Material: Aerospace grade silicone
Max Pressure: 1400psi
Max Temp: 450 F
Min Temp: -65 F
Package Includes: 6x O-rings
Manufacturer: Moondog Industries

Installation Instructions:
1) Locate the fill valve. (Where you stick the pin of your gas can or propane adapter).
2) Use a toothpick or a pen, carefully place the o-ring around the fill valve.
3) That's it! You now have much better air seal!

*If you already have an o-ring in there that is worn, you may want to remove it first.
*When wrinkled or dried, apply silicon oil when necessary.

52 Customer Reviews

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by Anthony O. on 05/01/2025
"Great product i still use to this day. Im running them on a TM MWS Stanags and DE MWS Pmags as well as KJW 1911 magazines. Provides great air sealand makes sure gas isn’t waisted.
by Malik O. on 01/29/2025
"Worked flawlessly for my TM M4 MWS mags. would highly recommend.
by Anthony O. on 10/15/2024
"Great replacement for my KJW 1911 magazines and my Matrix M4 Magazines. Provides a perfect seal to not waste any gas entering the mags.

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Moondog Industries