Cybergun / Swiss Arms Licensed SG556 RIS Airsoft AEG aeg parts FPS 390 w/

FPS 390 w/

For the green gas blowback model magazine only

For airsoft use only

Hopup: Yes

and increased rate of fire

Cybergun / Swiss Arms Licensed SG556 RIS Airsoft AEG aeg parts FPS 390 w/Fully licensed by Swiss Arms with laser engraved trademarks Heavy duty metal alloy receiver assembly with metal barrel assembly Lightweight polymer furniture (pistol grip, stock) Adjustable length of pull M4 style tactical stock CNC aluminum quad rail handguard for mounting tactical accessories Full length Picatinny rail for optics Ambidextrous fire selector (safe semi auto) Tokyo Marui compatible Ver3 metal gearbox Rotary style hopup FPS: 370