描述
  • For WE Glock 17/18C GBB pistol series.
  • Aluminum alloy, outer dia: 14mm.
  • X-shape O-ring increased air-seal effect, less the gas leaking.
  • Rised the chamber pressure & recoil, stablelize the gas output.
  • Compatible with Maple Leaf Enhanced Loading Nozzle for WE Glock 17/18 GBB pistol