Upgrade Gun

Discussion in 'Gun Building, Modifications & Repairs' started by SFA, Sep 19, 2012.

  1. SFA

    SFA New Member

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    Want to take a JG SIG 552 and upgrade it to the point that it is top tear, but I don't know if there are upgrade parts available for SIG Assualt rifles. If you know of any upgrade parts compatible please reply to this thread.
     
  2. marine121496

    marine121496 Wahahaha~ Supporting Member

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    Ann Arbor
    They are compatible with most, if not all version 3 gearbox components; however do require a medium motor.
     

  3. SFA

    SFA New Member

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    Thanks, good to know