KWA AEG KM4 SR7 FDE AEP Airsoft Guns Oversized 4mm piston bore for

Oversized 4mm piston bore for extremely high flow and refresh rate even at only 40psi

Includes 3 other adapters for flexible installation

Whether you're engaging in close-quarter battles or tactical operations

Center Height: 25mm

All metal and black color replacement

KWA AEG KM4 SR7 FDE AEP Airsoft Guns Oversized 4mm piston bore forAs with all KWA AEGs, the KM4 SR7 is Li Po ready, thanks to super rugged heat treated precision gears, high torque motor, 9mm steel bearings, and a reinforced, radiused gearbox. Also available in black. Comes with one 120 round K120 magazine NOTE: Battery, Charger, Optics and accessories not included. Additional Features: Removable rear sight FDE crane stock, pistol grip, and free float Picatinny quad rail 6 position adjustable crane stock with large