Each bottle is constructed from strong Alloy, and contains 300g (2L) of pressurised gas. The nozzle is long, and is constructed from Metal, giving a better fit into gas valves on your magazines. Due to the power of this gas it is recommended that you do not use it with Gas Blowback Weapons with Polymer / Plastic Slides as it can damage or break them. This gas is perfect for Airsoft Players who use Gas Blowback Weapons and Rifles in the winter and who's weapons are starting to feel the cold.
Features
Metal nozzle and canister
Ultimate power gas
Low temperature efficiency
Exceptional trajectory control
Constant pressure stabilization
Non hazardous CFC formula
Increase in FPS when you let your gas settle in the mags
Protective pre-dust cover over metal nozzle to prevent damage in transit 
Package Includes
NUPROL 4.0 Ultimate Power 300ml Black Gas
Special Instructions
Please note that this is the most powerful WE Gas produced to date, and as such it should not be used with Blow back weapons with Polymer / Plastic Slides