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Microtech Dirac Delta Dagger OTF Auto Knife, Stonewash Blade

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This out-the-front model features a black anodized handle and a dagger style blade in a stonewash finish.

The latest and most highly anticipated release from Microtech this year is the new Dirac Delta double-action out the front auto knife which features a front-mounted firing switch. The custom designed handle sports great ergonomics with curvatures much live the Halo and jimping throughout for a solid feel. Each Microtech OTF knife has extremely sophisticated internal mechanisms which improve the overall operational functionality and reliability. Made in the USA.



  • Blade Length: 3.79"
  • Overall Length: 9.4"
  • Handle Material: 6061-T6 Aluminum
  • Blade Steel: M390
  • Overall Weight: 4.4 oz.


  • One of the best OTF knives in production

    Posted by Matt on May 31st 2021


    This knife is nearly flawless. The blade is free from burs and imperfections and is very sharp and the point of the dagger is as fine as an ice pick. The stonewash finish is a beautiful contrast of the black aluminum body. I wouldn't hesitate buying if you're on the fence.