ULTIMATE – MILSPEC - M105 – Spring rate: 0.467N/mm 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 colour coded for better identifying them when switching out the spring for different skirmishes. The springs are designed from the start to deliver the best output while keeping its coil strength, consistency and quality. With the closed and grinded ends, the spring remains in place during use to prevent reduction in ROF due to bending. Available in M95, M105, M115, M125, and M135 Rating is in metres per second, multiply the spring M number by 3.28 to get feet per second. M number is a guide only, power output depends on your AEG, barrel length, cylinder, quality of seals etc.
