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Dual O-rings to ensure consistent air seal
these bearings are perfect for enhancing efficiency in your gearbox build or repair
the EPM allows users to choose between realistic training mode or standard gameplay capacity
5N Thrust Force) – Easily handles heavy spring magazines without struggle
RetroArms AEG Spring SiCr with Progressive Winding – M120 ZERO SHOCK Dual O-rings to ensure consistentThe RetroArms AEG Spring SiCr M120 is a high performance upgrade spring designed to deliver consistent FPS output, smooth compression, and long lasting reliability. Made from Silicon Chromium (SiCr) alloy steel, this spring offers enhanced durability and resistance to fatigue, even in high RPS setups. Its progressive winding design ensures a gentler initial compression for smoother gearbox operation and reduced stress on internal components, while