Lonex AEG Tune-Up Non-Linear Spring (GG06-10)

The tune-up spring uses progressive non-linear design to stabilize FPS and save battery, 
and uses high-class steel to ensure durability.

Features:

• Non-linear coils make this spring great for high-torque motors
• Durable stainless steel construction
• Compatible with most airsoft AEG gearboxes

Specifications (with 0.20g BBs):

• M100: 330-350 FPS
• M110: 350-380 FPS
• M120: 380-410 FPS
• M130: 450-470 FPS
• M140: 440-450 FPS
• M150: 480-500 FPS