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Cold Steel Spartan AUS10A Folding Knife

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€94.23

Cold Steel Spartan Folding Knife AUS10A

Engineered by Andrew Demko, who drew inspiration from the Greek Kopis sword, the Spartan Cold Steel is a folding rendition of the legendary Kopis. Featuring a sweeping, curved blade with a generous belly and an assertive point, this model embodies classic design in a modern, tactical folding knife.

Japanese AUS-10A stainless steel

Forged from Japanese AUS-10A steel, the blade offers exceptional toughness, outstanding resistance to corrosion, and superior wear resistance. Once tempered, the blade achieves a hardness rating of 58-61 HRC.

blade with Clip-Point profile, Stonewash finish

Featuring a blade measuring 108 mm in length and 4 mm in thickness, the design incorporates a Clip-Point profile that enables angled cutting, channeling increased kinetic energy into the material being processed. The surface is treated with the Stonewash method, resulting in a matte finish that diminishes glare and effectively conceals signs of regular use.

frameless construction, ergonomic handle made from Griv-Ex composite

Constructed without a frame, the handle utilizes two profiles precision-cut from Griv-Ex material. Deep finger grooves combined with the handle's aggressive texture provide a reliable and secure hold in any conditions and across multiple grip styles.

Tri-Ad Lock, double-sided disk

Featuring a disk accessible from both sides, the blade can be effortlessly opened using the thumb, making it suitable for both right and left-handed users. The disk also allows for rapid deployment by catching on the pocket edge, providing functionality similar to wave-enabled knives.

When deployed, the blade is locked in place with the Tri-Ad Lock system, an enhanced iteration of the traditional Back Lock, widely recognized as one of the toughest locking mechanisms available for folding knives. The design uses a stop pin to channel forces from the blade into the handle, effectively reducing wear on the locking mechanism. Automatic compensation for typical wear ensures the lock remains consistently secure throughout long-term use.

clip with reversible option

A spring clip integrated into the handle provides convenient everyday carry, enabling the knife to attach securely to a belt or pocket edge. Designed for versatility, the clip is reversible and can be positioned for both right-handed and left-handed operation.

main features

  • Equipped with a Clip-Point blade profile
  • Blade crafted from Japanese AUS-10A steel
  • Blade features a Stonewash finish
  • Fitted with the Tri-Ad Lock system
  • Opens using a dual-sided disk
  • Handle constructed from Griv-Ex composite
  • Handle boasts a non-slip texture
  • Comes with a reversible steel clip
  • Designed by Andrew Demko
  • Inspired by the legendary Greek Kopis sword
Cold Steel


Militaria.pl is the official distributor of Cold Steel.


Cold Steel is a renowned American brand of knives, machetes and tactical tools, founded in 1980 in Irving, California. The company has gained popularity thanks to innovative solutions such as Kraton® handles and American Tanto blades, which are appreciated by uniformed services and military enthusiasts. It has also introduced its own steel alloys, such as San Mai III®, which ensures high strength and wear resistance. Cold Steel has patented the Tri-Ad™ Lock blade locking mechanism, which guarantees safe use. The brand cooperates with renowned knifemakers, including the company's founder Lynn C. Thompson and Andrew Demko, whose passion and experience contribute to the high quality of the products.

More Information
Type Folder
Style Military-tactical
Blade length 108 mm
Blade thickness 4 mm
Blade profile Other
Blade edge Plain
Blunt resistance Good
Corrosion resistance Very good
Lock type Tri-Ad Lock
Overall length 267 mm
Blade material AUS-10
Opening method Thumb disc
Handle Griv-Ex
Clip for carrying Yes
Holster included No
Weight 298 g
EAN 705442017783
Manufacturer code CS-21ST
Brand Cold Steel
AUS-10 feature
AUS-10
AUS-10 is a high-quality stainless steel produced by the Japanese company Aichi Steel, considered one of the best in the AUS steel series, used mainly in mid-range and high-end utility knives, produced mainly in Japan and Taiwan. The carbon content (0.95-1.1%) ensures high hardness, while chromium (13-14.5%) guarantees very good corrosion and abrasion resistance. The steel also contains manganese (up to 1%), silicon (up to 1%), phosphorus (up to 0.025%), and sulfur (up to 0.025%), which affect hardenability, impact strength, elasticity, and machinability, improving structural stability and maintaining mechanical properties. After hardening, the steel achieves a hardness of 58-61 HRC, offering an excellent balance between strength, edge retention, and ease of sharpening. It is comparable to 440C steel, differing in carbon content and the addition of vanadium, which improves structural homogeneity and increases abrasion resistance.
Tri-Ad Lock feature
Tri-Ad Lock
Tri-Ad Lock is a lock developed by Cold Steel and Andrew Demko, considered one of the strongest systems in folding knives. Its key element is a stop pin, which takes the pressure from the blade and distributes it to the handle, protecting the lock from wear and overload. The mechanism is designed to self-adjust over time, which maintains the reliability of the lock even after prolonged use. In tests, it has proven resistant to loads of up to hundreds of pounds, confirming its durability.
Griv-Ex feature
Griv-Ex
Griv-Ex is a durable glass-nylon composite reinforced with fiberglass used by Cold Steel, mainly for the production of knife handles, and in some models also for blade components. The material has a textured surface on the handles, which ensures a secure, non-slip grip, and its maintenance usually boils down to simple washing under running water. Griv-Ex is distinguished by its resistance to moisture, corrosion, mechanical damage, and extreme temperatures, and does not warp or crack under harsh conditions. When used in the construction of blades, it is additionally stabilized by UV rays and heat, which further increases its durability.

Reviews with photos

Review summary

Automatically prepared based on reviews

Number of reviews: 10

  1. D...
    100%

    For me, it's a perfect folder - ergonomics, durability, cutting properties - I find no flaws. If I had to choose only one knife, I'd pick this one.

  2. M...
    100%

    A solid, good knife. Cuts very well, it's durable. The only downside is the thumb stud, which tends to loosen. Other than that, I have no complaints.

  3. B...
    100%

    Armored blade, reliable lock, unimaginably sharp knife. Suitable for everything. Don't hesitate, just get it.

  4. D...
    100%

    I've had it for over a year now. Great knife. Beautiful appearance. Good steel. Perfectly complements the Rajah II :)

  5. G...
    100%

    Armored and practical. The opening system is quite tactical.

  6. G...
    100%

    Unconventional in appearance, a very solid knife. Despite its weight and size, it also works well for me as an EDC folder. I recommend it!

  7. K...
    100%

    After more than a month, my opinion hasn’t changed. The knife is very nice, a bit big, but the joy of opening and using it is even greater :D

  8. P...
    100%

    Spartan, kopis (machaira - falcata) in a pocket version. Excellent design and construction by Andrew Demko. The kopis handle surpasses other "standard" ones: secure grip for both dry and wet hands, in heat and in cold, for cutting and thrusting. Powerful Tri-Ad Lock, thumb plate disc (allows you to pull the knife from your pocket already open!) make it definitely a tactical (combat) knife. In defense it compares well to the excellent CS Recon 1, and its 255g qualifies it as middleweight.

  9. R...
    100%

    A massive and heavy (300 grams) knife. The handle should fit even large hands. Factory-sharpened well, but the Spyderco Tenacious is sharper. Thanks to the blade shape, it cuts well. Opening it with the edge of your pocket requires good-quality pants ;) The blade lock is very good; it can't be closed accidentally.

  10. K...
    100%

    If you want to feel like Leonidas but can't carry a sword with you, this knife is for you.

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