Polarstar JACK HPA Version 3 Conversion Kit w- REV3 FCU spring rifle or 25 rounds per second

or 25 rounds per second

VFC Metal 500 rds High Cap Magazine for MK17 / SCAR-H series Airsoft AEG (Dark Earth) Manufacture: VFC (Vega Force Company) / Taiwan BB Capacity: 500 Rounds (6mm Airsoft BB) Compatibility: For VFC

Functioning Bolt Catch & Ejection Port Dust Cover

Hi-Kick and Hi-Grouping Features: - Railed Frame for external attachments

Polarstar JACK HPA Version 3 Conversion Kit w- REV3 FCU spring rifle or 25 rounds per secondDescription: Polarstar JACK HPA Version 3 Conversion Kit The JACK system was designed to answer the demand for an affordable, high performance HPA (High Pressure Air) conversion for AEG's. The system is a drop in cylinder replacement that is universally compatible with a wide range of gearbox versions that have center line nozzles. Similar to its sister product, the F1, it replaces the original gearbox components with a programmable pneumatic system