Tired of gas leaking out of the fill-valve freezing up your gas magazine when you are filling it?
Apply one of these o-rings and your gas magazine will fill like never before.
Replaces blown out or worn out loading hole o-rings on gas gun magazines, gas grenades and shells. 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.Materials:
Aerospace grade siliconeMax Pressure:
450 FMin Temp:
-65 FPackage Includes:
Moondog IndustriesInstallation 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 dried or worn, you may want to remove it first.
*When wrinkled or dried, apply silicon oil when necessary.
California residents click here for Proposition 65 warning
(Write a review)
"I really have nothing bad to say about these, and have no regrets about my purchase. They do their job and save me a lot of money on gas and propane even when using a low quality fill valve. However, do not expect these to fix 'leaky' mags, that is not their job. To fix leaky mags, take out the valve itself and wrap all threads holding gas in with teflon or ptfe tape. Bought these for my WE 226 mags and they work great! Definitely worth the extra dollar to support breast cancer and, hey, they're pink!
"Great O-Rings for my gas blowback, I haven't had any problems with them so far. I will definitely buy more and to know the money is helping a great cause.
"The fact that these are helping fight breast cancer is amazing on its own. These came perfectly in shape, quick install and most of all; no leaks what so ever. These o-rings are fighting for an amazing cause. Would recommend over any other o-rings to fight breast cancer.
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