• Bore up Cylinder Set for M4A1/RIS/SR16-CA Type|Modify Airsoft parts
  • Bore up Cylinder Set for M4A1/RIS/SR16-CA Type|Modify Airsoft parts
  • Bore up Cylinder Set for M4A1/RIS/SR16-CA Type|Modify Airsoft parts
  • Bore up Cylinder Set for M4A1/RIS/SR16-CA Type|Modify Airsoft parts
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SPECIFICATION

Material Bore-Up Piston Head: Polycarbonate Material Bore-Up Air Seal Nozzle: POM
Material Bore-Up Cylinder Head: Stainless Steel Material Bore-Up Cylinder: Stainless Steel