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Systema Non-Linear Irregular Pitch Airsoft AEG Upgrade Spring (Power: M120)

ID: 26259 (SPR-STMA-M120)
Systema Non-Linear Irregular Pitch Airsoft AEG Upgrade Spring (Power: M120)
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Systema

$14.00

Features

  • Non-linear, irregular pitch
  • High quality spring steel
  • Anti-corrosion coating

Manufacturer: Systema

Specifications:

Velocity: 380-420 FPS
Compatibility: For Tokyo Marui, Matrix and other compatible Airsoft Gearboxes
Material: Steel


21 Customer Reviews

(Write a review)

by David M. on 04/03/2023
"Used the M140 spring to upgrade my factory M120. Stock gun with 18:1 gears, 30k/21 TPA motor, 11.1 Li-ion Titan

Chrono STOCK:
BB RPS FPS
.2 22 395
.25 22 355
.28 22 335

Chrono M140:
.28 18 425

Seemed pointless to test the others. Good Spring.
by Nathan H. on 04/03/2023
"I put a M130 spring in my Specna Edge for a dmr upgrade, and it works very well. Very consistent fps.
by Thomas S. on 07/08/2022
"Review for "Systema Non-Linear Irregular Pitch Airsoft AEG Upgrade Spring (Power: M130)"

No hop: 350 FPS with a 0.32g bb, 430 FPS with a 0.20g bb. Roughly 1.75 joule.

Easy to install, but my stock gun came with the wrong spring which caused me to buy a spring too powerful. I should have gotten an M120 to hit right around 1.5 joule. This is now perfect for DMR limits at most fields (1.9 joule and under) so a bit of a happy accident there.

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