Nuprol 4.0 Premium Rifle Green Gas, 10.5oz Black Gas Can

Nuprol Green Gas Airsoft Propellant High Performance Isobutane & Silicone Oil Mixture Premium Green Gas Designed specifically for gas powered airsoft rifles to enhance recoil and maintain proper lubrication. Specially formulated for the following specifications: Optimal Operating Temperatures: 3-20°C 34-68°F Maximum Operating Temperatures: 0-20°C 32-68°F Please note that for any orders containing CO2 or Green Gas, Next Day Air and 2nd Day Air shipping is not available due to transportation restrictions. If you want your other products to ship Next Day or 2nd Day Air, we recommend placing a separate order for the green gas or CO2 or contacting our customer service department to assist you in setting up your order. All orders containing Green Gas will be shipped UPS Ground.