Guide to selecting airsoft gases

Airsoft is a sport that is gaining increasing popularity due to its realism and the adrenaline experiences it offers. One of the key roles is choosing the right gas for your weapon. Of course, you can have a springer, an AEG (electric), HPA (we won't discuss that now), or a gas gun. The diversity of gases on the market can be a mystery for new players, so we decided to create a comprehensive guide to help you understand which gas is most suitable for your airsoft weapon.



Green Gas

Features: The most popular, medium-performance gas for airsoft guns, it contains approximately 90% propane and 8% to 10% butane, the remainder being silicone lubricant.


Temperature Range: Best in the temperature range of 10-25°C.


Silicone: Usually has enough lubricants, but it's good to regularly use silicone spray for maintenance.


Red Gas

Features: Slightly stronger than Green Gas, usually used in pistols and smaller weapons.


Temperature Range: Suitable for temperatures around 20°C, does not tolerate extreme heat.


Silicone: Often needs silicone replenishment due to lower lubricant content.


Black Gas

Features: Stronger than Green Gas, exclusively used in more powerful weapons.


Temperature Range: Suitable for temperatures around 20°C, does not tolerate extreme heat.


Silicone: Often needs silicone replenishment due to lower lubricant content.


CO2:

Features: Strong and consistent pressure, suitable for blowback and powerful weapons.


Temperature Range: Universal, but at low temperatures, there may be a decrease in pressure and reduced weapon performance. This is important to consider when using CO2 in colder weather.


Silicone: When using CO2, silicone may be more necessary due to greater wear on internal components.


Propylene:


Stronger than Green Gas, beware - extremely flammable.


Temperature range: Propylene is more sensitive to temperature changes than some common gases. Propane can have higher pressures in hot conditions, while it can drop in colder weather.


Info: Bernzomatic gases are not intended for use in Japanese weapons (Marui, KSC, Maruzen, Marushin, Tanaka,...), these weapons may damage due to their different expansion characteristics


Tips for selecting gases for weapons:


Issues with plastic slides: Pistols with plastic slides are less resistant to higher gas pressures, such as Red Gas or Black Gas. Using these stronger gases can cause overload and damage plastic components.


Using Red Gas and Black Gas: Red Gas and Black Gas are usually more suitable for metal blowback weapons designed for higher pressures. Using these gases in plastic weapons can lead to faster wear and reduced lifespan.


Green Gas for Tokyo Marui (TM) weapons: Tokyo Marui manufactures its weapons with the use of light gases like Green Gas in mind. These weapons have lower internal resistance to pressure but provide smooth operation and lower wear.


Temperature impact: Be aware that ambient temperature can affect gas performance. In colder weather, gas pressure decreases, which can lead to reduced weapon performance. In such cases, it may be better to choose CO2 or Red Gas.


Regular maintenance: Regardless of the gas used, regular maintenance is crucial. Clean the weapon according to the manufacturer's instructions and use silicone to maintain proper operation.


Silicone spray: When using gases, regular lubrication of internal components with silicone spray is recommended. This helps reduce wear and maintain smooth operation.


Remember that safety measures are always important. Never use gases not intended for airsoft weapons and follow all manufacturer's instructions.


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