Springs

Prometheus Non-Linear Upgrade Spring for Airsoft AEGs (Model: MS90 / Violet)

Lonex Steel Power-Up Spring for Airsoft AEGs (Type: SP120)

WADSN Non-Liner M120 Spring

Guarder Oil Temper Wire AEG Spring For Tokyo Marui Style AEG (Power: SP-150)

Prometheus Non-Linear Upgrade Spring for Airsoft AEGs (Model: MS100 / Gold)

Prometheus Non-Linear Upgrade Spring for Airsoft AEGs (Model: MS110 / Aqua)

LONEX GEAR BOX SPRING SET FOR VER. 2 & 3

Laylax Prometheus MS135 Crimson Non-Linear Upgrade Spring for Airsoft AEGs

Prometheus Non-Linear Upgrade Spring for Airsoft AEGs (Model: MS120 / Emerald)

ActionSportGames Ultimate Upgrade Springs are manufactured from military grade steel for the best performance possible. Using SiCr grade steel allows Ultimate Springs to offer maximum power and consistency with every shot.