Power Up Kit for VSR-10/MB03/MB07 Series Airsoft Sniper Rifle


  • Model: AS4029


  • Power up kit for airsoft sniper rifle.
  • Stainless steel made upgrade set.
  • M170 spring.
  • Stainless steel bearing spring guide rod and piston (light weight design).
  • Power Up to 500-550 fps.
  • Suitable for: BAR-10/VSR-10/TSD M700/Matrix/Well MB03 & MB07 Series Airsoft Sniper Rifle.
  • Includes Upgrade Spring, Upgrade Piston, Upgrade Ball Bearing Spring Guide.
  • As always, upgrading Airsoft rifle require necessary skill & technique, consult expertise if needed.
  • Note: FPS measurements according to manufacturer data, actual results may vary.


  • Model no. - WL-AC018
  • Weight - 104g
  • Material - Stainless steel
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    Current Reviews: 6

    This product was added to our catalog on Monday 08 August, 2011.

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    Disclaimer: All airsoft guns, gas blowback guns, spring guns are NOT real firearms. All airsoft guns sold to US customers are affixed with an orange tip permanently.