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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


  • Replacement spring review

    Posted by Taylor on Apr 11th 2023


    The spring was fairly easy to replace. It's not as stiff as the original, but it has enough power to open the blade.

  • 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.