Unicorn Airsoft M100 AEG Non Linear Spring

Unicorn Airsoft M100 AEG Non Linear Spring (Green) Steel Construction Airsoft Spring M100 Power Up Spring Features a non-linear design with irregular pitches Reduces wear and stress points inside the AEG gearbox Enhances performance and reliability of the Airsoft electric gun "M" spring rates are based on rough meters per second using 0.2g BBs Expect around 100 M/S (328 FPS) +/- 5 M/S on an M100 spring FPS can vary considerably due to the entire build setup Suitable For AEG Airsoft Electric Gun Rifle