Upgrade Spring & Spring Guide Rod

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  1. AS Tactical M120 Tune Up Spring

    AS Tactical M120 Tune Up Spring
    - Upgrad AEG Velocity to 375 - 400 FPS
    - Rust and Corosion Resistant Material
    - Compatible With Most Standard AEG Gearboxes


    Installing an upgraded spring can greatly increase your AEG's velocity for FPS. Most AEGs can handle up to a M120 Spring with all other gearbox components remaining Stock. Professional Installation is Suggested for all internal upgrade parts.
    $9.99
  2. Celcius Extreme AEG Spring CS400

    Celcius Extreme AEG Spring CS400
    Features:
    - High Carbon Steel Construction
    - Velocity Output: 420 to 430 FPS (0.2g BB)
    $19.99
  3. Celcius Extreme AEG Spring CS450

    Celcius Extreme Spring CS450 for AEG
    Features:
    - High Carbon Steel Construction
    - Velocity Output: 470 to 480 FPS (0.2g BB)
    $19.99
  4. Celcius Extreme AEG Spring CS500

    Celcius Extreme Spring CS500 for AEG
    Features:
    - Steel Construction
    - Compatible with M4, M4 CQB, M16A2, M16A3 Training Weapon
    $19.99
  5. Celcius Extreme AEG Spring CS550

    Celcius Extreme Spring CS550 for AEG
    Features:
    - Steel Construction
    - Compatible with M4, M4 CQB, M16A2, M16A3 Training Weapon
    $19.99
  6. Celcius Extreme AEG Spring CS600

    Celcius Extreme Spring CS600 for AEG
    Features:
    - Steel Construction
    - Compatible with M4, M4 CQB, M16A2, M16A3 Training Weapon
    $19.99
  7. Dogmale SP145 Airsoft AEG Upgrade Spring

    Dogmale SP145 Airsoft AEG Upgrade Spring
    - For AEG FPS upgrade to 470 to 500fps. Equivalent to M140 Spring. Recommended for use with all upgraded and reinforced internal gearbox components.
    $6.99
  8. Lonex Gearbox Tune Up Spring M170SP

    Lonex Gearbox Tune Up Spring
    The tune-up spring uses progressive non-linear design to stable FPS and save battery, and uses high class steel to ensure the durability.
    $19.99
  9. Lonex Gearbox Tune Up Spring M90SP

    Lonex Gearbox Tune Up Spring
    The tune-up spring uses progressive non-linear design to stable FPS and save battery, and uses high class steel to ensure the durability.
    $14.99
  10. MODIFY M80 Airsoft AEG Upgrade Spring

    Features:
    - Down or Upgrade Airsoft AEG's FPS to 270-280 Range
    - Upgrade to Metal Bushings & Guide Rod Recommended
    - Compatible with most AEG (Marui, ICS, Classic Army, etc.)
    - Any Internal upgrades will void warranty
    $15.99
  11. Systema PTW MP5 Cylinder Unit M150

    Systema Professional Training Weapons MP5 MAX Upgrade Cylinder Unit
    - Cylinder Unit Includes Magnesium Piston and M150 Spring for 500- 520 FPS
    - Swaps out with stock cylinder in seconds
    Strongest Upgrade in Airsoft!
    $184.99
  12. WE Katana Adaptive Power Cylinder 110

    WE Katana Adaptive Power Cylinder 110
    Specifications:
    - Average velocity: 360 fps / 110 m/s
    - For use in WE KATANA Series AEG rifles ONLY
    $59.99
  13. WE Katana Adaptive Power Cylinder 120

    WE Katana Adaptive Power Cylinder 120
    Specifications:
    - Average velocity: 400 fps / 110 m/s
    - For use in WE KATANA Series AEG rifles ONLY
    $59.99
  14. WE Katana Adaptive Power Cylinder 90

    WE Katana Adaptive Power Cylinder 90
    Specifications:
    - Average velocity: 300 fps / 90 m/s
    - For use in WE KATANA Series AEG rifles ONLY
    $59.99
  15. APS Airsoft AEG Polymer Spring Guide V2

    APS Reinforced Polymer Spring Guide V2
    - Polymer construction
    - More Durable than Stock Spring Guide
    - Features rear nut for Securing spring guide

    The APS reinforced polymer spring guide is more durable and can handle more strain than stock factory installed polymer spring guides. This reinforced polymer spring guide also features a rear nut for securing the spring guide in place using an M4/ M16 stock screw.

    Regular Price: $7.99

    Special Price: $0.80

    Out of Stock
  16. AS Tactical M130 Tune Up Spring

    AS Tactical M130 Tune Up Spring
    - Upgrad AEG Velocity to 425 - 450 FPS
    - Rust and Corosion Resistant Material
    - Compatible With Most Standard AEG Gearboxes


    Installing an upgraded spring can greatly increase your AEG's velocity for FPS. Additional Gearbox components may be required for use with a M130 or stronger spring. Professional Installation is Suggested for all internal upgrade parts.
    $9.99
    Out of Stock
  17. Bravo Airsoft High Performance Tune Up Spring M110

    - Increases velocity to around 350 fps with 0.2g BBs - High class steel to ensure the durability.
    $9.99
    Out of Stock
  18. King Arms Cylinder Set for PTW M4 M90

    King Arms Cylinder Set for PTW M4 M90

    This M90 Cylinder Set is designed for Systema PTW M4. The shooting power of rifle can be increased to around 310 FPS after installation.
    -Color: Black
    -Material: POM, Stainless Steel, Aluminum
    $79.99
    Out of Stock
  19. Lonex Gearbox Tune Up Spring M140SP

    Lonex Gearbox Tune Up Spring
    The tune-up spring uses progressive non-linear design to stable FPS and save battery, and uses high class steel to ensure the durability.
    $14.99
    Out of Stock
  20. Lonex Gearbox Tune Up Spring M150SP

    This is a MAP controlled item.
    Lonex Gearbox Tune Up Spring
    The tune-up spring uses progressive non-linear design to stable FPS and save battery, and uses high class steel to ensure the durability.
    $14.99
    Out of Stock
  21. MadBull M4 Spring Guide Bearing - V3

    Madbull Ultimate Spring Guide Bearing - V3
    Specifications:
    - Thinner guide shaft for easy, stress-fee spring compression
    - One piece bearing top plate and guide shaft
    - Loose bearings for maximum spring twisting
    - Smooth anodized finish
    - Machined lightweight CNC aluminum
    - MB SG V3 (ULSG-3)
    $15.00
    Out of Stock
  22. Systema M130 Airsoft AEG Upgrade Spring

    Upgrades speed of Airsoft Electric Guns (AEG) to 400 -425 fps.
    NO OTHER UPGRADES REQUIRED!
    Compatible with most AEG (Marui, ICS, Classic Army, etc.)
    Any Internal upgrades will void warranty
    For Basic Airsoft Gear Box Tutorial
    $16.99
    Out of Stock
  23. Systema PTW M4 M16 M4A1 Cylinder M130

    Systema Professional Training Weapons M4A1 Upgrade Cylinder Unit
    - Cylinder Unit Includes Magnesium Piston and M130 Spring for 420 - 445 FPS
    - Swaps out with stock cylinder in seconds
    - Compatible with M4A1 M4 or M16 models
    $164.99
    Out of Stock
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