Airsoftjunkiez demo their Custom Stoner M63A1 HPA LMG equipped with the PolarStar F2 HPA Engine. This is made of heavy duty steel & aluminium construction with a 20mm rail on top of feed cover allows for easy mounting of optics. The railed handguard allows for easy mounting of tactical accessories and the reinforced metal gearbox w/ steel gears, spring guide, and 8mm bearings. It has a one-piece CNC machined aluminum outer barrel, high quality polycarbonate with glass fiber motor grip, hand guard, and stock. It comes with 1200rd electric box mag with the box mag push button extended. MCU wiring kits available upon request.