Do NOT use in precharged pneumatic (PCP) airguns! Pellgunoil is NOT safe for use in guns that use high-pressure air! Using Pellgunoil in a PCP could be explosive and may result in serious injury or death. For CO2 & multi-pump pneumatic guns Put a drop on the tip of every third 12-gram or 88-gram CO2 cartridge before inserting it Frequently apply a drop of Pellgunoil to the pump head of a multi-pump pneumatic gun Seals the gun