

Ek Commando Knife Model 4
Description
The Ek Commando Model 4 is an American-made fighting knife with a 6.63" black-finished, double-edged 1095 Cro-Van carbon steel spear point blade. It has a black glass-filled nylon handle, a carbon steel guard, a full tang, and a lanyard hole. It rides in a black belt sheath with a retaining strap, a self-locking function, and multiple tie-down points. It's Ka-Bar's modern version of the commando knife John Ek built for American servicemen in World War II.
Short and Sweet
- Ek Commando Knife Co. Model 4 (item EK44)
- 12.63" (32.08 cm) overall with a 6.63" (16.84 cm) blade
- 1095 Cro-Van carbon steel, double-edged spear point, black finish
- Black glass-filled nylon handle with carbon steel guard
- Full tang with lanyard hole
- Black belt sheath with retaining strap, self-locking function, and tie-down points
- Made in Olean, New York, USA
- Condition: New
John Ek and the American Commando Knife
John Ek designed his first commando knife in 1939 and began producing knives in quantity in Hamden, Connecticut, in January 1941. He named them "Ek Commando Knives" after the Allied commando-style units they were built for, and they were carried by U.S. Marine Raiders, Army Rangers, the First Special Service Force, and OSS Operational Groups. Demand grew so quickly that Ek eventually ran three shifts around the clock. He shipped every knife with his instruction booklet, Your Silent Partner, and President Franklin D. Roosevelt kept an Ek Commando Knife on his White House desk until his death. Ek later developed the double-edged version of his design, which is the pattern this Model 4 follows.
Ka-Bar's Model 4
Ka-Bar bought the Ek brand in 2014, and the Model 4 was the first Ek knife it released. The blade is hand-ground 1095 Cro-Van, the same steel Ka-Bar uses in its famous USMC Fighting/Utility Knife, with a 20-degree edge bevel on both sides. A black finish protects the carbon steel from rust. Ka-Bar kept the grip shape true to Ek's originals but molded the handle from glass-filled nylon, which won't crack, swell, or rot the way wood can. The full tang runs through the handle to a lanyard hole, and the tang is stamped "KA-BAR / Ek Commando Knife Co."
For the Collector and the Military Historian
The Model 4 is first and foremost a fighting knife pattern, and most buyers choose it to honor that history. It's a centerpiece for anyone collecting WWII American combat knives, a natural companion to a USMC Ka-Bar or a Fairbairn-Sykes, and a meaningful gift for a Marine, Ranger, or special operations veteran. Because it's built in 1095 Cro-Van on a full tang, it's also a working knife that holds up to real use. The locking sheath and tie-down points let you mount it securely on a belt, pack, or vest.
Pairs well with
Curious About Sizing?
Given the massive variety of clothing we carry, a standard sizing guide is incredibly helpful for customers seeking the best fit.
Please understand that surplus varies widely in fit and cut and this sizing chart is general advice rather than tailor-level fitting.
Nearly every military has different sizing charts and schemes, which is why we've taken the time to put together this brief tutorial.
Jacket & Shirt Sizing
In absence of an established military size chart, we measure each jacket or shirt from armpit to armpit to get a rough idea of how it fits. If a garment is between sizes, we mark it one size down. For example, if a shirt measures 19.75" from pit to pit, it is marked as a small rather than medium.
To measure pit to pit, close up your shirt or jacket and measure from armpit to armpit.
This is our measurement guide that we use to measure garments without an existing military size chart:
14"-15" PtP = XXS
16-17" PtP = Extra Small
18"-19" PtP = Small
20-21" PtP = Medium
22-23" PtP = Large
24-25" PtP = Extra Large
26-27" PtP = XXL
28-29" PtP = 3XL
Pant Sizing
We typically convert pants to US waist and inseam sizes. If a pair of pants is between sizes, we mark it one size down. For example, if a pair of pants measures as a 33 waist, it is marked as a 32 waist.
To take these measurements we lay a pair of pants flat on the ground. We then measure across the waist and double the measurement. For example, if a pair of pants measures 16" across the waist it will fit a US 32 waist.
To determine inseam we measure from the crotch seam to the bottom of the cuff. For example, it a pair of pants measures 30" from the crotch seam to the bottom of the cuff we will list it as a 30 inseam or 30L.
Surplus Condition Guide
- Unissued
- These items are brand new. They may sometimes exhibit signs of storage. They may be new in their original factory packaging, but most times will not be.
- Issued; Good / Issued
- These items are in issued/used condition but are fully functional. This grade of surplus item may also exhibit signs of use such as stampings, small stains or general dirtiness.
- Issued items will not have missing or broken buttons, zippers or be missing any functional components unless noted as such in the product description. Any items you purchase that are marked as "Issued; Good" but exhibit these defects will be replaced free of charge by Americana Pipedream.
- Grade 2
- These items are in issued/used condition but have defects that impede function. This may include missing buttons, broken zippers, holes and tears. They may also be missing components.
- This is the lowest grade of surplus item that we carry and they are not eligible for returns or exchanges due to condition.
Prop 65 Warning
All products that are NOT INTENDED FOR CONSUMPTION OR NOT FOOD PRODUCTS fall under this warning:
“WARNING: This product contains a chemical known to the State of California to cause cancer.” WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.”
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Free exchanges & returns.

Ek Commando Knife Model 4
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