Lonex Airsoft M4-A1/RIS SR-16 M733 POM Vent Piston Head Cylinder Set

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  • Regular price $49.99
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  • Constructed of steel, aluminum, PC, and rubber.
  • Compatible with M4-A1/RIS, SR-16, and M733 AEG's.
  • Grooved steel cylinders to assist heat dissapation.
  • CNC machined aluminum piston and cylinder heads.
  • Polished internals reduce cylinder/head friction.
  • Piston head POM vent holes increase cycle speed.
  • Updated steel ball bearing enhanced piston heads.
  • Smooth spring rotation during compression load.
  • Size-matched piston head to ensure quality performance.
  • CNC machined polycarbonate air nozzle w/ air seal o-ring.


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