Swiss Arms M4 Heavy is a gas for airsoft replicas with increased pressure - 150 PSI or 10.3
bar, without added silicone grease. Suitable product for use with airsoft replicas with
grease-sensitive Hop-up bucking. It is also recommended to use with airsoft carbines in a
temperature range from 10 to 30 degrees Celsius, as well as with airsoft pistols with a metal
slide at temperatures below 10 degrees Celsius. In rare cases and at temperatures close to
zero, it can also be used with pistols with a plastic slide.. The can contains 760 ml of heavy
gas of high purity. Extremely suitable product for Action Air IPSC models.