The Evike.com AEG upgrade spring is the result of research into some of the best-selling springs on the market. Constructed of high-grade stainless steel and formed with an irregular pitch, the Evike.com upgrade springs roll all of the desirable features found in the most popular springs into one easy-to-install upgrade spring, with greater reliability and performance than most in the same price bracket. Features:
Irregular pitch spring coils: Variable tension. Reduces stress, wear, and tear for your gearbox
Strength: Made out of stainless steel. Increased tension and durability. Tension lasts 50% longer than other leading brands
Compatibility: Designed for all versions of Airsoft AEG gearboxes
Spring Power Chart. (% / FPS)
FPS estimate based on average power output. The exact FPS result may vary based on alignment, installation, inner barrel, cylinder, and other factors.
160% (M113) ~340~400F.P.S.
235% (M130) ~420~500 F.P.S.
M160 : ~530+ 20 F.P.S.
Evike.com Airsoft AEG Tip: Always reset your spring by firing one shot in semi-automatic before putting it away. M120 / 190% or stronger spring upgrade may require reinforcement of other gearbox internal parts. 9.6V or the Stronger battery may be required to power higher than stock springs.
