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Replacement Springs--Boker Kalashnikov Auto (Sub/Standard/XL) & Boker Magnum Auto, 2-Pack

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We don't recommend you convert the knife yourself, but if you have an already converted knife and need a spring--this is the one you need. You only need one spring but we sell them in pairs just in case you break one.

Eligible Knives:

  • Boker Sub Kalashnikov
  • Boker Kalashnikov Auto
  • Boker XL Kalashnikov Auto
  • Boker Magnum Auto


  • Sturdy Spring steel. Great fit. Long lasting.

    Posted by Robby Cottle on Jan 23rd 2023


    I use my automatic knife alot , daily. A spring will last me over 2 years. I literally wear out the spring.

  • Replacement Springs

    Posted by John on Dec 12th 2022


    Works great. Easily installed. Prompt service. Thanks.

  • Great spring replacement

    Posted by John J Nicholson on Jun 7th 2022


    After 20 years of hard use my spring finally gave out. This made my knife like new again.

  • Replacement spring

    Posted by VooDoo on Nov 10th 2021


    Excellent works like new. Thanks