Description:
Will fit Tokyo Marui VSR-10 / G-Spec.
Length : 200mm arround.
Outer Diameter: 13mm
Inner Diameter: 11mm ( please use the 9mm spring guide)
Note: In PDI test, VSR-10 Pro Sniper, Precision Cylinder Set HD, 05 Inner Barrel 430 & 0.2g BB. When you install this spring , your gun will get 465fps.