AEG Springs (Comparison Chart)

This airsoft spring guide is better used as a reference guide to compare relative performance between spring types and manufacturer than an ACTUAL speed/performance chart. The peformance numbers in this article are based on data compiled by Brian at Airsoftcanada.com.

m120-airsoft-spring.jpg

Less than 400 FPS Chart

This chart illustrates the springs made by a variety of manufacturers that typically produce velocities below 350 feet per second.

specs400under.jpg

Upgrading the mechbox with springs that create between 350 FPS and 400 FPS will increase stresses on most AEG stock components. In most cases it is not required to upgrade more than the bushings. It is still a good idea to reshim your gears while adding bushings or confirm you have metal bushings.

Suggested improvements

  • Reinforced gears (especially for Tokyo Marui owners)
  • Metal bushings

Over 400 FPS Chart

This chart illustrates the springs made by a variety of manufacturers that typically produce velocities over 400 feet per second.

specs400over.jpg

Upgrading the mechbox with springs that create more than 400 feet per second results can create very high pressures and stresses on most AEG stock components. It’s highly recommended that the following items also be upgraded when considering an upgraded spring at this level.

Recommended improvements

  • Reinforced gearbox (the actual metal case)
  • Reinforced gears (especially for Tokyo Marui owners)
  • Metal bushings
  • Torque Up gears (recommended)
  • Higher mAh and/or voltage battery

alert CAUTION

It’s worth noting that any time you are upgrading AEGs to these levels, you significantly increase the chances for future failures and reduced reliability. AEGs can be upgraded to levels beyond 400 FPS with reliability, but great care and expense often comes along with upgrades in the territory of 450 FPS or higher.

Article based from Mechbox.com 

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