Airsoft Innovations GunGas Propane Adaptor Kit with STEEL PROBE *NEW* Unbreakable High Strength Steel Probe Comes with everything needed to fill your airsoft gun with CHEAP PROPANE Reduce gas costs by 80% Fills your GBB mags with "dirt cheap" widely available propane (it's almost free) Comes with adapter, oil pump, oil, duster cap, and spare tip