Features
Non-linear spring design made of high quality spring steel
Upgrade spring allows you to custom-tune your AEG's muzzle velocity
Naming convention follows meters per second (with a 0.20g BB), allowing you to quickly reference how strong a spring should be
Color-coded for quick reference in a parts bin even if you lose the packaging
Fits in most gearboxes that accept standard TM-spec springs
 
Manufacturer: Prometheus
 
Specifications:
Velocity: Approx. 325FPS
 
Compatibility: For Tokyo Marui, EMG, Matrix, and Other Standard Tokyo Marui-Spec Airsoft AEG Gearboxes
Material: Steel


NOTE: Velocity (FPS) estimate based on average power output. Exact FPS result may vary based on alignment, installation, inner barrel, cylinder and other factors