Prometheus Non-Liner Irragular Pitch Airsoft AEG Upgrade Spring (M135 / 430~530 FPS)

$15.00 $12.75

Model: Spr-Prom-M135
Location: WN-128 S8-002
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2 Customer Reviews

by jacob p. on 02/08/2014
"very good spring! with a JG blue motor and a hefty 9.6 you can run it fine. (with a sorbo and upgraded gears. im running SHS) if you want a higher FPS this is the spring!!!!!!!!!!!!!!!!!
by Taylor P. on 01/13/2014
"Good spring! I installed this in my DMR Barrett and it is getting 480fps +or- 3 FPS W/.2g bbs. Overall very impressed, but it is a pain to install.


Prometheus Non-Liner Irragular Pitch Airsoft AEG Upgrade Spring (M135 / 430~530 FPS)
For experienced players only.
FPS output may vary due to other gearbox components.

This product was added to our catalog on Tuesday 16 February, 2010.

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