Spartan Doctrine Chamber Conversion Kit for Tanaka M700/M40A1


  • Model: AS3821
  • Manufactured by: Spartan Doctrine


  • Spartan Doctrine chamber conversion kit.
  • CNC metal construction.
  • Suitable for Tanaka M700 A.I.C.S./M40A1 Series.
  • Replace the Marui airsoft VSR inner barrel to Tanaka M700 A.I.C.S. airsoft sniper.
  • Included installation guide.
  • Improved shooting accuracy, air-tightness & firmness.
  • Essential spacer & special tools included for conversion.
  • As always, installation require necessary skill & technique to dissemble the rifle, consult expertise if needed.


  • Spartan Doctrine Model no. - SD-PA-09
  • Color - Black/Red/Silver
  • Weight - 66g
  • Material - CNC metal construction
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    This product was added to our catalog on Wednesday 25 May, 2011.

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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.