King Arms Full Metal Blow Back SIG 556 Shorty Airsoft AEG airsoft Full length top rail for

Full length top rail for optics

just with upgraded spring for higher velocity

MAGNIFICATION:2X-7X

By narrowing and contouring the Body Wrap Belt

King Arms Full Metal Blow Back SIG 556 Shorty Airsoft AEG airsoft Full length top rail forKing Arms Full Metal Blow Back SIG 556 Shorty Airsoft Gun ( Licensed by Cybergun Battery & Charger Pkg ) is the one of the best officially licensed blowback SIGs available. The action is crisp and the noise is a clearly audible 'clack'! This 556 features a full metal body with plastic hand guards, pistol grip, and retractable stock. Included with the gun and magazine is a King Arms Quick BB loader to make reloading easy. The flip up front and rear