Waldo Customs Hush Rings Fill valve O-rings for GBB mag

Annoyed by gas spilling everywhere when filling your GBB mags? Then Hush is your answer!

Once these O-Rings are placed over your fill valve you will be able to silently fill your magazine without causing any gas spills. This is a renown inconvenience for some brands of GBB's, more specifically TM (but will work in competing brands).

And of course, they come in a charming yellow.

Contents includes:
5x Hush Fill Valve O-Rings

Will fit TM and most other fill valve designs.