Cold Steel 80NTB Chaos Bowie Fixed Blade Knife 10.5" SK-5 High Carbon, Aluminum Handles, Secure-Ex Sheath

$71.95

MSRP* : $119.99 | You Save* : $48.04 (40%)
Part #: CS80NTB | Cold Steel Knives
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Description

CS80NTB: 80NTB Chaos Bowie

Cold Steel

Today’s military operators carry the most advanced gear in human history, but a high-quality blade is still essential equipment on the battlefield. For these discerning customers, Cold Steel has created the Chaos series of hard use tactical fixed blades.

Inspired by the trench knives carried in the World Wars of the 20th century, Cold Steel is updating the concept with some of the most fearsome historic blades to ever grace the battlefield.

The original trench knife was developed for close quarters combat (CQC) and earned a terrifying reputation in the trench raids of the Battle of the Bulge. The combination of "brass knuckles" and either a spike or double-edged blade proved so effective, that development of new designs continued through the Second World War.

Exhibiting a big wide blade and false edge, the formidably intimidating 80NTB Chaos Bowie is well-suited to thrusting, cutting, and slashing. It also blocks and parries with equal ease and is saber ground to a sturdy edge and honed razor sharp. The extra thick 1055 carbon steel pommel is tapered to concentrate the percussive force of a hammering strike, and the full tang SK-5 High Carbon steel blade is expertly heat treated for maximum performance. It’s a highly affordable Bowie and sure to please even the most discriminating warrior. 

The Chaos features a split D-ring handle constructed of 6061 aluminum. Not only does this signature trench knife feature protect the users hands from slippage and incoming attacks, it also provides a striking surface for combat situations. Likewise, the butt of the knife features a deadly tapered pommel to concentrate the percussive force of a hammering strike.

As good as the blade is, you need a way to carry it, so Cold Steel sees fit to supply a tough Secure-Ex sheath. Here at KnifeCenter, we especially appreciate that it is both MOLLE-Lok and Tek-Lok compatible. This rough-and-ready item also comes with adjustable Cor-Ex belt loops and retaining straps, ensuring maximum safety and retention. The sheath can also be customized to nearly any preferred attachment, thanks to extra grommets and slots along the edges.

The Chaos series combines maximum safety and security with extreme performance and combat potential. Equip yourself with one!

Features

  • Split D-Ring Handle Guard
  • Skull-crusher Pommel
  • Coated Carbon Steel Blade
  • Secure-Ex Sheath

Specifications

  • Item Number: 80NTB
  • Item Name: Chaos Bowie
  • Weight: 23.1 oz.
  • Blade Thickness: 5.0 mm
  • Blade Length: 10.50"
  • Handle: 6.0" Long.
  • Overall: 16.50"
  • Steel: SK-5 High Carbon Steel
  • Sheath: Secure-Ex
  • Made in Taiwan

UPC Code: 705442018483

Related Categories

Cold Steel Knives, Cold Steel Chaos Fixed Blade Knives Series, SK5 Blade Steel, Aluminum Handle Material, Fixed Blade Knives, Fixed Blade Knives Bowie Knives

Product Handle Badge: Aluminum Handles
Product Sheath Badge: Kydex Sheath
Product Steel Type Badge: SK5 Tool Steel
Cold Steel 80NTB Chaos Bowie Fixed Blade Knife 10.5" SK-5 High Carbon, Aluminum Handles, Secure-Ex Sheathrated 4.500 stars out of 5 (8 reviews)
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Cold Steel 80NTB Chaos Bowie Fixed Blade Knife 10.5" SK-5 High Carbon, Aluminum Handles, Secure-Ex Sheath
rated 4 stars out of 5
Ricky
Northwest
Jan 12, 2026
Pros: Blade Material, Blade Sharpness, Finish, Handle Material, Overall Quality, Weight
Cons: Sheath/Scabbard
CS Bowie Chaos knifewith the knuckleduster handle
My knife was fine, sheath was tight, but it might loosen. Solid and full tang.
Made a leather sheath for some customization, and carry options.
Price was a little high for MIC knife. Bought a double edge dagger trench knife years ago, the offering is pretty good for knuckle duster trench knife variations
Cold Steel 80NTB Chaos Bowie Fixed Blade Knife 10.5" SK-5 High Carbon, Aluminum Handles, Secure-Ex Sheath
rated 5 stars out of 5
Former Sf Dude
New Jersey
Nov 18, 2025
Pros: Blade Material, Blade Sharpness, Finish, Handle Material, Materials, Overall Quality, Sheath/Scabbard, Weight
Cons: None
The Best fighting knife!!!
I like these so much that I bought two of this one and one of the double edged one. I do my entire routine with one of these. I've added some unique techniques to it because of the knuckle protection. The Subhilt makes training with it even safer as your hand will not slip. I do wish they would make a single edge trainer like it. If they did I would buy two of them and train doubles. I have almost all of Cold Steel's big Bowies, (Three Trailmasters, the Natchez, the Laredo, Marauder, Boar knife, OSS, ODA). This one is my favorite with the Trailmaster a close second. This is a Combat Knife. You will for sure get arrested probably anywhere for carrying it unless you are in Combat lol. The blade is just perfect. Not too thick (Natchez Beast) The Pommel is its own weapon. God help anyone who was dumb enough to grab you. The knuckles will for sure stop a Bat. Really hard to beat for any price. Its huge though. Lynn Thompson has definitely done it again!!!
Cold Steel 80NTB Chaos Bowie Fixed Blade Knife 10.5" SK-5 High Carbon, Aluminum Handles, Secure-Ex Sheath
rated 5 stars out of 5
Sleestaks
Dallas,TX
Nov 12, 2025
Pros: Blade Material, Blade Sharpness, Finish, Handle Material, Materials, Overall Quality, Sheath/Scabbard
Cons: Weight
Amazing Blade
Up front: I’m a blade geek. I’ve been eyeballing this knife for a long time and finally pulled the trigger and am very happy I did. Love everything about it and the protective knuckle duster hand guard with striker pommel is very nice, not uncomfortable at all. Weight is a little heavy but the balance makes it still quick in the hand. It’s a bad boy designed for one thing— fighting — and you can feel extremely confident in a scrap with this in your hand.
Read all 8 Reviews »

 

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