• Trigger Spring
      • Model No.:
      • M077
      • Name:
      • 板機彈簧
      • Material:
      • Oil Quenched/Tempered Si-Cr Alloy Steel Wire
      • Detail:
      • M4 AEG
      • Weight:
      • 0.2g
      • Note:
      • For Gearbox Ver.2