CO2 lubrication cartridges, 5 pcs
The grease cartridges are perfect for maintaining the internal mechanics of your airsoft gun, especially the O-rings.
These cartridges have the same dimensions as a 12g CO2 cartridge, just replace the latter to increase the life of the internals of one's weapon.
It is recommended to use one CO2 cartridge with silicone for every 10 CO2 cartridges used for optimal cleaning and maintenance.