Maddog Sports M140 Airsoft Upgrade Spring
An airsoft AEG spring made by Maddog Sports. This spring is rated at M140 and should fire at the 459.2 fps or 140 m/s range using a .20g BB. Triple torque Gears and a Torque motor are recommended for this spring.
- Rated velocity with a .20g BB: 459.2 fps or 140 m/s
- Estimate Range without hop up: 206 feet
- Joules with a .20g BB: 1.95J
NOTE: Color and Opacity of spring packaging may vary.