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Microtech 251-4 Halo VI S/E OTF Auto Knife, Satin Blade

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The newly refined Microtech Halo VI out-the-front automatic knife is one of, if not THE, biggest single action OTF on the open market today. While the dimensions of the Halo VI remain virtually unchanged versus its predecessor--the Halo V--the handle itself boasts an updated push-button with a patented integrated safety and tri-angle shaped hardware in addition to the charging handle scale which provides easier access with the flared base. Rest assured, for those that were Halo V fans--the infamous blade notch is still present and the action and lock up will certainly not disappoint. This model, the 251-4, features black anodized handle scales coupled with standard bead blasted hardware and a drop point style blade in a satin finish. Additionally, this knife does not comes with a sheath or house a pocket clip. Made in the USA.


  • Blade Length: 4.5"
  • Overall Length: 10.82"
  • Blade Material: M390 Stainless Steel
  • Blade Finish: Satin
  • Handle Length: 6.32"
  • Handle Material: 6061-T6 Aluminum
  • Weight: 6.5 oz.


  • Microtech Halo VI S/E Satin Blade

    Posted by goldnberyl on May 5th 2019


    All the reviews and videos have it totally right. This knife is awesome! I am getting better at working the button and it does take some practice.