Gas Charts ......

Some companies don't want you do go past HFC 134a for it can hurt the internals and void the warranty.
Here are some Reccomendations for gas guns and theri companies.

KWC: use HFC 22 or Green Gas only for these guns. Use with Red Gas can void the warranty

KSC/KWA: use HFC134a gas unless equipped with a metal slide. If equipped with metal slide upgrade use HFC 22 or Green Gas. Use with Red Gas can void warranty.

Western Arms: HFC 134a gas is recommended. Use with any other gases (such as HFC22 or Green Gas) can void warranty.

KJW, Y&P, STTI, HFC, other Taiwanese guns: HFC22 or Green Gas is recommended. Using HFC134a is not powerful enough. Use with Red Gas will void warranty.

Maruzen, Marui: HFC 134a gas is recommended<. Use with any other gases (such as HFC22 or Green Gas) can void warranty.

Marushin: HFC 134a gas is recommended. Use with any other gases (such as HFC22 or Green Gas) can void warranty.

Tanaka: HFC 134a gas is recommended. Use with any other gases (such as HFC22 or Green Gas) can void warranty

PS> Army to replace camo pattern in Afghanistan:D

http://www.armytimes.com/news/2010/02/army_multicam_030110w/

Or you can say , hell with this and buy this gun .king of the field

that is just badass