Huma regulator for AGT Vulcan 1 & 2. Regulator is new and unused, in plastic bag as it came from Huma, set at 135 Bar but can be adjusted to any desired output. Plenum extender is new & unused for Kaliber gun Cricket and will fit Vulcan air tube with a slight modification. Will sell all for $75.00 to include shipping via USPS-Priority/Insured. Payment via PP. On old "Yellow: BOI a bunch of times, afew here, all positives. You can contact me at [email protected]