Gas bottle Swiss Arms ‘M4’ Heavy (150 PSI) dry 760 mL A bottle with gas necessary to operate your gas replicas. Particularly adapted for M4 replicas. This gas is 150 PSI power, and does not contain silicon. It is particularly recommended for GBBRs and GBBs with a metal slide, whilst not recommended for GBBs with a plastic slide. this gas is particularly versatile in terms of weather conditions, as it can be used whether in both cold or hot environments. Brand: Swiss Arms Licence: Swiss Arms Color: Orange and White Materials: Aluminium Composition: DRY Gas capacity (in ml): 600ml Pressure (PSI):150 EAN: 3559966035139