NUPROL Spare Airsoft Springs

Main spring for normal AEG type rifles. Weight: Approx. 15 gram

Speed per spring:
M90: 300 fps
M100: 330 fps
M110: 360 fps
M120: 390 fps
M130: 425 fps
M140: 460 fps
M150: 490 fps

*Note: Actual power will vary from gun to gun and the above fps should be used as a guide.