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Systema FSG1 200% Spring

[A12E01 / SF27][03350 / ZA0607]
$23.00 $12.65
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This is a 200% spring upgrade designed for the Systema FSG1.

Manufacturer: Systema
Model: FSG1 200% Spring
Package Includes: One (1) Spring


  • Muzzle Velocity Consistency
  • Metal Construction
  • High Quality Spring

Manufacturer: Systema
Color: Black
Package Includes: One (1) Spring

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What FPS is this estimated?
I cant find the formula to convert the % to FPS. is this spring 450FPS? what about 160% and 300%?

1026 days ago
matt l

(I have this same question)
Staff Answer:
Depending on the build, You should see approximately 400fps

909 days ago
1 answers
1 asked
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