Description
Selling my G&G ARP-556 HPA build, professionally upgraded and ready to dominate the field. This is a full metal AR platform powered by the PolarStar JACK HPA engine, widely regarded as one of the best and most reliable HPA systems available. The JACK offers insane consistency, lightning-fast trigger response, and full adjustability to tune it exactly how you want.
⚙️ Build & Performance
G&G ARP-556 (Full Metal)
PolarStar JACK HPA Engine (fully customizable unit)
Exceptional accuracy, air efficiency, and reliability
Smooth, crisp firing with tournament-level performance with extendable stock
