Spartan Harsey Clandestina

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The Clandestina – Tactical Fixed Blade Knife by Spartan Blades and William W. Harsey Jr.

 

The Clandestina, a meticulously engineered tactical knife and fixed blade masterpiece, is born from the collaborative prowess of Spartan Blades and William W. Harsey Jr., driven by their rich history in the Special Operations community. This survival knife, aptly named as a feminine adaptation of "Clandestine," encapsulates an essence of mystery, secrecy, and the covert nature of the missions that inspired its creation.

 

The Clandestina stands as a testament to the legacy of William W. Harsey Jr., whose illustrious career in tactical cutlery is deeply intertwined with influential figures and elite military units. Harsey's collaborations with Colonel Rex Applegate, Al Mar, and the Special Operations Community have shaped the knife’s practical and effective design as both a tactical and survival tool.

  • Name of knife: Clandestina
  • Knife type: Fixed, Spear Point – Flat ground
  • Blade length: 5.5 inches
  • Blade steel: CPM MagnaCut
  • Blade grind: Flat ground
  • Handle material: Canvas Micarta Black and Camo
  • Blade Hardness: 61-63 HRC
  • Overall length: 10 3/16”
  • Sheath type and material: MOLLE and Kydex options
  • Special features: Available in Black and FDE PVD Coating, Double Deep Cryogenic Treatment
  • Collector-Grade Design – Limited edition tactical fixed blade designed for enthusiasts and professionals.
  • Premium Blade Steel – Crafted from CPM MagnaCut steel for superior sharpness, durability, and corrosion resistance.
  • Ergonomic Handle – CE Canvas Micarta in Black or Camo provides a secure, comfortable grip for demanding environments.
  • Lightweight & Portable – Designed for discreet carry and swift deployment without sacrificing strength or utility.
  • Versatile Tactical Blade – Spear point, flat ground blade excels in survival and tactical scenarios.
  • Multiple Sheath Options – Available with MOLLE and Kydex sheath configurations for adaptable carry.
  • Special Treatments – Black and FDE PVD coatings plus double deep cryogenic treatment enhance durability and stealth.
  • Made in the USA – Expertly crafted by Spartan Blades and William Harsey Jr., blending tradition with modern innovation.

The Clandestina: where precision, functionality, and elegance converge to create a tool worthy of the clandestine world.

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21 Reviews

  • 5
    Stunningly beautiful

    Published by Joshua on Apr 18th 2026

    This is my second Spartan Blades knife with Difensa being the first one and I'm very pleased as well as impressed with both of them. Here in Japan we're not permitted to possess daggers and Clandestina is the closest knife to dagger in terms of the blade shape. Flat ground blade makes it an ideal survival knife but double handguard and triangular pommel also remind the user that it was originally designed and intended as a fighting knife. I picked the one with FDE color blade and camo micarta handle scales and black kydex sheath. I also put the Crusader Cross bead on OD green paracord lanyard to make it my Krav Maga knife. A swift, sharp and deadly yet stunningly beautiful knife and no wonder this is the award-winning blade of the year 2024.

  • 5
    Seriously nice knife

    Published by Outdoorsman on Mar 31st 2026

    Great company with a seriously refined product and services. that knife quickly became strapped on my go bag then use like a surgical tool many times… just incredible fit in hand!

  • 5
    Spartan Harsey Clandestina

    Published by Scott on Oct 11th 2025

    Took this knife on an elk hunt in the Grand Tetons in Wyoming. Guide used it to field dress my elk killed on the third day. He was amazed that he could field dress the entire elk and the knife remained sharp. He used the knife hard doing the elk so we could get out before the grizzly bears became a problem. Knife held up beautifully. At the end of the hunt I gave the guide the knife and ordered myself a new one. Absolutely fantastic knife.

  • 5
    Clandestina

    Published by Bryan on Sep 1st 2025

    I’m scared to buy online! I looked at the knife 500 times and almost pulled the trigger. Getting it home, putting it in my hand I was absolutely satisfied with an incredible purchase! The negative reviews of this product are from $25 pocket knife people… it’s exactly what you want. Just incredible!!!

  • 5
    My Least Favorite Blade So Far. An Honest Review

    Published by Garrett on Jul 21st 2025

    I love the Spartan Blade knives. I have the Horkos, which is by far my number one ranked knife so far. The Clandestina has to be my least favorite one so far. The only reason for this is that it is a smaller knife and does not fit in my hand as well as other Spartan Blades. Honestly, it just doesn't fit in my hand well, but it is still a top notch blade. I wear a large glove size of the rack. This one is honestly better fitted for a smaller hand. But I have to still give it a 5 star review because of the premium blade steel, the thickness of the blade, the grip, quality materials, the sheath, etc. This is an excellent top notch blade that I would recommend to anyone.

  • 5
    Spartan Harsey Clandestina

    Published by MICHAEL on Feb 25th 2025

    Well Done! Great balance, steel sharpened out of box.

  • 3
    I have the original Klandesta this one’s a little bit smaller. The handle is too small for my hand and I have an average hand if I could return it I would if that’s available. I would rather get something else. I’m in the dagger now at this point, th

    Published by Robert Teniente on Feb 3rd 2025

    I was kind of disappointed in how small the knife is

  • 5
    Spartan Harsey Clandestina

    Published by Michael on Nov 11th 2024

    Badass..... I've been a fan of W. Harseys' work for years. The knife was exactly as described, plus multiple choices for blade,handle & sheath, who could ask for more ? It's also a welcome addition for my "Definsa," my S.H. dagger, & my Les George V14 !

  • 5
    o

    Published by greg vedder on Aug 30th 2024

    beautiful knife it fits my wife's hand perfectly,i already have my spartan knife

  • 5
    Sheath

    Published by Dallas on Aug 23rd 2024

    I tried to delete my previous comment but there was no option for that, so l want to say here in a second comment that l rescind my first post and say that the sheath snaps just needed some working in and now functions just fine. So the nylon sheath is great, the knife is amazing, but l still feel the tip seems a bit too thin, hopefully magnacut is that strong and l won't snap the tip someday. Very expensive knife but l'm happy with my purchase. The blade, grip, and size is like no other knife l own and l've bought a lot of knives. Great knife!