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7.49
  • Upgrade spring
  • Fits most Airsoft AEGs
  • Different strengths available

Springs are the perfect upgrade for an instant FPS boost! They fit in most standard AEGs and have a relatively simple installation process. Many rifles these days have some sort of quick-change spring system which makes your life even easier when upgrading your rifles.

The Bolster Armouries Premium AEG Spring is the best of the best when it comes to internal springs. These are the same springs used in our Bolster Armouries rifles, that's just how premium these springs are! If you want your rifle shooting like a Bolster Armouries ONYX, then the Bolster Armouries Premium AEG Spring is certainly a step in the right direction!

7.49
  • Upgrade spring
  • Fits most Airsoft AEGs
  • Different strengths available

Springs are the perfect upgrade for an instant FPS boost! They fit in most standard AEGs and have a relatively simple installation process. Many rifles these days have some sort of quick-change spring system which makes your life even easier when upgrading your rifles.

The Bolster Armouries Premium AEG Spring is the best of the best when it comes to internal springs. These are the same springs used in our Bolster Armouries rifles, that's just how premium these springs are! If you want your rifle shooting like a Bolster Armouries ONYX, then the Bolster Armouries Premium AEG Spring is certainly a step in the right direction!

7.49
  • Upgrade spring
  • Fits most Airsoft AEGs
  • Different strengths available

Springs are the perfect upgrade for an instant FPS boost! They fit in most standard AEGs and have a relatively simple installation process. Many rifles these days have some sort of quick-change spring system which makes your life even easier when upgrading your rifles.

The Bolster Armouries Premium AEG Spring is the best of the best when it comes to internal springs. These are the same springs used in our Bolster Armouries rifles, that's just how premium these springs are! If you want your rifle shooting like a Bolster Armouries ONYX, then the Bolster Armouries Premium AEG Spring is certainly a step in the right direction!

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. 

4.99
Was 22.99
Save 18.00
  • For Airsoft AEG
  • Great Spare Part
  • Wide Range of Powers

A replacement spring for your Airsoft AEG weapons.

18.49
Was 22.99
Save 4.50
  • For Airsoft AEG
  • Great Spare Part
  • Wide Range of Powers

A replacement spring for your Airsoft AEG weapons.

15.99
Was 21.99
Save 6.00
  • 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.

8.49
Was 12.49
Save 4.00
  • Upgrade spring
  • 100 m/s - 328 FPS
  • For TM PSG-1 only

This Guarder upgrade spring is compatible with the Tokyo Marui PSG1 gearbox and provides approximately 100 m/s or 328 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.

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