Microtech Dirac Delta OTF Automatic Knife 3.8" Dagger Black Tactical 227-1T

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12/31/25 01:00AM
  • Overall: 8.9"
  • Blade: 3.75" Double-Edge Dagger, Black
  • Handle: 5.2" Black 6061-T6 Aluminum
  • Opener: OTF Automatic, Double Action, Thumb Slider (Front)
  • Clip: Black, Tip Down
  • Weight: 3oz
  • Made in the USA
  • Model: 227-1T

A New Model called the Dirac (DER-ACK) Delta, a slightly larger version than the Dirac from Microtech Knives. The Dirac and Dirac Delta are the very first offering from Microtech Knives to feature the OTF slider on the front of the handle instead of the side. The Dirac Delta is about the size of the Combat Troodon and the Dirac is similar to the UTX-85 in size. 

8 Reviews Hide Reviews Show Reviews

  • 5
    Big blade

    Posted by Josh on Feb 4th 2023

    It looks very cool, and the blade is pretty easy to retract.

  • 3
    Microtech Dirac...

    Posted by Gary Drees on Nov 2nd 2022

    I like the size of the Microtech Dirac Delta but I don't like the way the blade retracts. The thumb ramp is hard to pull back and I have found that this common on some Microtech models. That is why I gave it 3 Stars.

  • 5
    bought this to replace my...

    Posted by Jazz Vechayiem on Oct 31st 2022

    The action on this baby is so nice and strong! Got this knife real sharp at 10dps and .25 strop . 0 failures, bolts are secure and do not loosen. Great QC.. thanks eknives for the ridiculously quick shipping and great care for the packaging.

  • 5
    Delta-Beautiful piece of...

    Posted by Shane BRUCE on Mar 1st 2022

    Awesome tool for people with large hands. The Dirac original is too small for mine.