M90 Spring
M90 Spring – Airsoft AEG Upgrade Spring
The M90 Spring is a standard-power upgrade spring for AEG airsoft rifles, ideal for ensuring reliable performance while keeping muzzle velocity within moderate limits. Designed for consistent ~290-310 FPS (with 0.20 g BBs), it’s a solid choice for balanced indoor or outdoor play. Easy to install for most gearboxes, it provides stable power without over-stressing internal components.
Suggested retail price: USD 7–12
Key Features
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Standard-power AEG spring (M90 rating)
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Approx. 290–310 FPS output — good balance between power and safety
-
Compatible with most AEG gearboxes
-
Stainless steel / quality metal construction for durability
-
Ideal for general skirmish use, training, or as a safe field-legal spring
M90 Spring – Airsoft AEG Upgrade Spring
The M90 Spring is a standard-power upgrade spring for AEG airsoft rifles, ideal for ensuring reliable performance while keeping muzzle velocity within moderate limits. Designed for consistent ~290-310 FPS (with 0.20 g BBs), it’s a solid choice for balanced indoor or outdoor play. Easy to install for most gearboxes, it provides stable power without over-stressing internal components.
Suggested retail price: USD 7–12
Key Features
-
Standard-power AEG spring (M90 rating)
-
Approx. 290–310 FPS output — good balance between power and safety
-
Compatible with most AEG gearboxes
-
Stainless steel / quality metal construction for durability
-
Ideal for general skirmish use, training, or as a safe field-legal spring