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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Thread compatibility: 14 mm CCW (verify your build)
Allows easy removal with hand tools
the EPG-C offers excellent ergonomics while providing a reduced grip length
5N Thrust Force) – Easily handles heavy spring magazines without struggle
Not intended for use in real firearms
RetroArms AEG Spring SiCr with Progressive Winding – M120 ZERO SHOCK Thread compatibility: 14 mm CCWThe 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
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