A made to order product at Airsoftjunkiez is their Custom HPA PKM Automatic Weapon Airsoft Machine Gun. This is a  is a highly modified version of the Matrix / A&K PKM Russian Battlefield Squad Automatic Weapon Airsoft Machine Gun. It features a PolarStar F2 with FCU for precise control, a 509mm Promi Barrel for accuracy, a BullGear Hop UP for improved performance, a Flat Hop for increased range, and a Wired Box Mag Trigger Upgrade for enhanced reliability and responsiveness.