The M130 Spring is a high‑tension main spring designed for Automatic Electric Gun airsoft rifles, offering a performance boost over stock springs for players seeking increased muzzle velocity and range. Rated at M130, this spring delivers a stronger push on the gearbox piston, helping propel BBs faster and harder for outdoor skirmishes and enhanced power builds.
 
Key Features
High Power Rating: The “M130” designation indicates a spring that typically produces around 425–520 FPS with 0.20 g BBs
Straight Drop‑In Upgrade: Designed to replace your stock spring in most AEG gearboxes (Versions 2, 3, etc.) for a noticeable increase in power and range.
Durable Construction: Made from high‑quality steel wire with heat treatment for resilience under repeated compressions during gameplay.
Improved Performance: Ideal for players looking to push their rifles toward outdoor‑ready velocities without extensive internal upgrades.
Versatile Compatibility: Commonly compatible with a wide range of AEG platforms — always check your specific gearbox requirements before installation.