This Lancer Tactical linear pitch upgrade spring m125 is compatible with all aeg gearboxes and is optimal for high torque motors. The M125 spring can produce about 400-470 fps. The spring can be used as a replacement or an upgrade spring for most aeg gearboxes.
|Velocity||M125 (210%), ~400-470 FPS|
|Compatibility||All AEG Gearboxes|
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