Ultimate Mil-Spec AEG springs are manufactured out of the best steel (SiCr) available for springs. With minimum loss in power and consistency, the Mil-Spec spring series is the ULTIMATE choice for your AEG. The Mil-Spec springs are color coded for better identifying them when switching out the spring for different skirmises.
The springs are designed from the start to deliver the best output while keeping it's coil strenght, consistancy and quaity. With the closed and grinded ends, the spring remainns in place during use to prevent reduction in ROF due to bending.
Available in M95, M105, M115, M125, and M135