![Perko® 0540DPG99A - 1-1/2" O.D. Chrome Plated Bronze Gas Cap O-Ring & Retainer for Fuel Fill - BOATiD.com Perko® 0540DPG99A - 1-1/2" O.D. Chrome Plated Bronze Gas Cap O-Ring & Retainer for Fuel Fill - BOATiD.com](https://ic.boatid.com/perko/items/0540dpg99a_1.jpg)
Perko® 0540DPG99A - 1-1/2" O.D. Chrome Plated Bronze Gas Cap O-Ring & Retainer for Fuel Fill - BOATiD.com
![Amazon.com : Yanyu 1-1/2"(38mm) Gas Boat Deck Fill/Filler with Keyless Cap 316 Stainless Steel Marine Hardware for Boat Yacht Caravan with Screws ,Spare O-Ring and Rubber Gasket : Sports & Outdoors Amazon.com : Yanyu 1-1/2"(38mm) Gas Boat Deck Fill/Filler with Keyless Cap 316 Stainless Steel Marine Hardware for Boat Yacht Caravan with Screws ,Spare O-Ring and Rubber Gasket : Sports & Outdoors](https://m.media-amazon.com/images/I/61647hUQymS._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Yanyu 1-1/2"(38mm) Gas Boat Deck Fill/Filler with Keyless Cap 316 Stainless Steel Marine Hardware for Boat Yacht Caravan with Screws ,Spare O-Ring and Rubber Gasket : Sports & Outdoors
![Amazon.com : Evike Airsoft - Moondog Industries Universal Gas Fill O-Ring Set for Airsoft Gas Gun Magazines (Color: Red) : Sports & Outdoors Amazon.com : Evike Airsoft - Moondog Industries Universal Gas Fill O-Ring Set for Airsoft Gas Gun Magazines (Color: Red) : Sports & Outdoors](https://m.media-amazon.com/images/I/61oERnjmHwL._AC_UF350,350_QL80_.jpg)
Amazon.com : Evike Airsoft - Moondog Industries Universal Gas Fill O-Ring Set for Airsoft Gas Gun Magazines (Color: Red) : Sports & Outdoors
![Amazon.com : Evike Airsoft - Moondog Industries Universal Gas Fill O-Ring Set for Airsoft Gas Gun Magazines (Color: Red) : Sports & Outdoors Amazon.com : Evike Airsoft - Moondog Industries Universal Gas Fill O-Ring Set for Airsoft Gas Gun Magazines (Color: Red) : Sports & Outdoors](https://m.media-amazon.com/images/I/61k0HhoMliL.jpg)
Amazon.com : Evike Airsoft - Moondog Industries Universal Gas Fill O-Ring Set for Airsoft Gas Gun Magazines (Color: Red) : Sports & Outdoors
![Perko Perko 1613DP0BLK Polymer Gas Fill with O-Ring and Cap Retainer for 1.5" Hose - Black 1613DP0BLK | Zoro Perko Perko 1613DP0BLK Polymer Gas Fill with O-Ring and Cap Retainer for 1.5" Hose - Black 1613DP0BLK | Zoro](https://www.zoro.com/static/cms/product/full/Northern%20Wholesale%20Supply%20Inc_Figxx201613xx98cb91.jpg)
Perko Perko 1613DP0BLK Polymer Gas Fill with O-Ring and Cap Retainer for 1.5" Hose - Black 1613DP0BLK | Zoro
![This O-ring keeps blasting off my GHK AK mags for some reason. Also the same mag is dumping gas out of the fill-valve sometimes. Not sure which one is causing the other? : This O-ring keeps blasting off my GHK AK mags for some reason. Also the same mag is dumping gas out of the fill-valve sometimes. Not sure which one is causing the other? :](https://preview.redd.it/ub3uir1961f41.jpg?auto=webp&s=4048d661ea8a67187bafebedc69a0089ea625e85)
This O-ring keeps blasting off my GHK AK mags for some reason. Also the same mag is dumping gas out of the fill-valve sometimes. Not sure which one is causing the other? :
![Evike.com Moondog Industries Universal Gas Fill O-Ring Set for Airsoft Gas Gun Magazines (Color: Red), Accessories & Parts, Gas Gun Parts, Valves Evike.com Moondog Industries Universal Gas Fill O-Ring Set for Airsoft Gas Gun Magazines (Color: Red), Accessories & Parts, Gas Gun Parts, Valves](https://www.evike.com/images/144/large/oring_mi_101012.jpg)