Army Force Stainless Steel Cylinder with Thread f/ M4/M16 Series


  • Model: AS6521
  • Manufactured by: Army Force


  • Army Force Stainless Steel Cylinder with Thread.
  • Army Force AEG upgrade part series.
  • Essential part for upgrading your airsoft electric gun AEG rifle.
  • Made by stainless steel for reduced friction & low abrasion.
  • Suitable for M4/M16 series airsoft electric gun AEG gearbox (Version 2).
  • Ensures the smooth & speedy piston movement.
  • Provide the durability & precision performance.
  • Remember to apply cylinder grease to ensure this high performance.
  • Can be installed into Marui standard gearbox without any conversion.
  • As always, upgrading AEG require necessary skill and technique to dissemble the gearbox, consult expertise if needed.


  • Army Force model no. - AF-IN0113
  • Color - Silver
  • Weight - 50g
  • Material - Stainless Steel
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    This product was added to our catalog on Saturday 07 June, 2014.

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    Disclaimer: All airsoft guns, gas blowback guns, spring guns are NOT real firearms. All airsoft guns sold to US customers are affixed with an orange tip permanently.