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10.99
  • Progressive Coiling
  • Coloured Rating Tip
  • SiCr Zinc Coated Steel

Produced to an incredibly high quality with the best mil-spec steel rated SiCr. Every spring no matter the rating has gone through a full quality control test by ASG for your peace of mind that you are fitting a reliable spring. 

11.99
  • For Airsoft AEG
  • Great Spare Part
  • Wide Range of Powers

A replacement spring for your Airsoft AEG weapons.

11.99
  • For Airsoft AEG
  • Great Spare Part
  • Wide Range of Powers

A replacement spring for your Airsoft AEG weapons.

21.49
  • Upgrade spring
  • 150 m/s - 492 FPS
  • For TM PSG-1 only

This Guarder upgrade spring is compatible with the Tokyo Marui PSG1 gearbox and provides approximately 150 m/s or 492 FPS muzzle velocity on a 0.2g BB. The spring is made from tempered Si-Cr alloy steel wire to provide the strength and resistance necessary.

11.99
  • Upgrade spring
  • 120 m/s - 393 FPS
  • For TM PSG-1 only

This Guarder upgrade spring is compatible with the Tokyo Marui PSG1 gearbox and provides approximately 120 m/s or 393 FPS muzzle velocity on a 0.2g BB. The spring is made from tempered Si-Cr alloy steel wire to provide the strength and resistance necessary.

20.49
  • For Airsoft AEG
  • Great Spare Part
  • Wide Range of Powers

A replacement spring for your Airsoft AEG weapons.

22.49
  • For Airsoft AEG
  • Great Spare Part
  • Wide Range of Powers

A replacement spring for your Airsoft AEG weapons.

10.99
  • AEG Mainspring
  • 130 m/s or 427 FPS rating
  • For standard AEG gearboxes

If you are building a DMR project you will need a potent spring to get you up there into the high FPS zone! The NUPROL M130 spring is perfect for the job and should provide around 130 m/s or 427 FPS when installed in an AEG with a good air seal. The spring is compatible with the vast majority of Airsoft AEG gearboxes.

About Our Airsoft Electric Springs

The spring is the absolute core of how your AEG works, and is the first thing a lot of people go to when looking to change their output FPS. If you're looking to downgrade your gun (reduce how hard it shoots) then this is a good way to go.

A higher spring will put more strain on the components inside your gearbox, so we would recommend attempting to boost FPS through improving air-seal and other components such as your HOP Units/Rubbers, to increase output power without adding more stress internally.

Our AEG spring range is crafted using strong, durable components, helping you to supercharge your shot.

Upgrade your airsoft with our range of internal electric parts, spring internal parts and gas blowback parts, and get next day delivery on your purchase with Patrol Base