G&P Enhanced Spring for VSR-10 Series (M170)

G&P Enhanced Spring for VSR-10 Series (M170) Steel Construction Upgrade M170 Power up Spring Supreme Quality Airsoft Electric Gun Spring You will get a stable muzzle velocity when install this spring Suitable for VSR-10 Series Airsoft Sniper Rifle Length: 245mm Outer Diameter: 11mm Internal Diameter: 8mm