Compact and elegant version of the CONTACT, the Extrema Ratio Contact C Ranger Green has a Böhler N690 stainless steel spearpoint blade, hardened at 58 HRC. The comfortable handle has forprene scales.
€175.81
Sold out
Extrema Ratio Knives
There are 153 products.
Knife Extrema Ratio Contact C HCS comes with forprene handle. Knife has a Böhler N690 steel spearpoint blade, hardened at 58 HRC with single branch handguard and full length fuller for lightness. The Forprene grip is affixed by a threaded tang that makes the knife sturdy and well balanced. The injection molded, impact grade nylon, M.O.L.L.E. compatible scabbard has a dampening system to avoid blade rattle, twin button safety loop and a retention safety disengaged by simple pressure on the trigger-like lever.
€175.81
Sold out
Extrema Ratio BD4 Contractor is a black double-edged semi-serrated folding knife with a guard. The guard also acts as a flipper, and the high-speed auxiliary knife opening system makes it easy to use. The ergonomic handle uses anodized aluminum alloy and the stonewashed streamlined blade is made from Böhler N690 cobalt steel. The BD4 Contractor perfectly combines the elegance of classic Italian style with the functionality of an EDC folding knife.
€175.81
Sold out
The Extrema Ratio Misericordia is a fixed blade tactical knife that is extremely lightweight and compact. It can be used both as a main knife and as a backup knife. There is a large ring at the end of the handle that allows using martial arts techniques and provides a secure grip. It is equipped with a hard metal skull crusher that can be used also as a glass breaker. Since the knife is designed for professional use, great importance is attached to ease of portability, access and retrieval. The knife is attached to the sheath with a quick release guard that can be easily flipped for left-handed use. Impact resistant nylon sheath is versatile: the adjustable double-clip system allows the user to mount it on different types of belts.
€159.68
Sold out
The Extrema Ratio RAO II is a new version of the famous Extrema Ratio RAO knife; it comes with a new drop-point blade and an improved handle that is rounded at the top corners for a more ergonomic grip. The extra safety lock transforms the RAO II into a fixed blade knife for high performance without risk of injury. The sheath can hold the knife open for frequent use or closed in the front pocket. It comes with a diamond sharpener to always have a perfect cutting edge.
€311.29
Sold out
This Tactical knife Extrema Ratio Fulcrum Bayonet Black is extremely versatile and strong, capable of sustaining loads of over 150 kilograms. Handle made of elastic Forprene material. The tanto-shaped blade allows for large amounts of work and wear while still keeping a sharp edge at its exceedingly sturdy tip. This feature, combined with a sharp false edge (in the military versions only), makes the knife retain sufficient combat penetration capability to engage targets covered in heavy clothing, paddings or soft ballistic protections. Thanks to its weight and top-heavy balancing, the FULCRUM BAYONET blade is suitable for hard work on the field.
€382.00
Sold out
N.K.3 is a reduced-size knife that enlargesis the family of neck knives by Extrema Ratio. N.K.3 is bigger than both N.K.1 and N.K.2, featuring a tanto blade 70mm long and the blood-draining slot. The design of the handle prevents accidental injury while drawing. A groove on the back of the blade accommodates for the user’s index finger or thumb, according to wielding style. Due to its overall construction, the N.K.3 is both capable of offense, through very effective slashing strikes, and useful for minute precision work. The included, rapid- release Kydex sheath comes with a paracord strip for neck carry. Further, it can be attached via MOLLE system to tactical vests or to any of the compatible cordura sheaths from Extrema Ratio. Available but not included: BELT-CLIP (for attaching sheath to a belt), polymer UNDER SHIRT SYSTEM (for concealed carry). There are only best fixed blade knives in MyGoodKnife's range.
€130.65
Sold out
Dagger Herring is one of the famous military knives. Its original name is Fairbairn-Sykes. Blade length is 167 mm. The unique handmade finish of the handle imitates the ageing of the brass and it gives the dagger a dated look, similar to the original one. Extrema Ratio Herring was developed in collaboration with 185th RRAO and adopted as a ceremonial commemorative dagger for the 20 years since the regiment’s constitution and 75 years since the Herring mission. Knife is equipped with a polymer case with historical frieze of the Squadrone F, leather / kydex sheath with brass point and two commemorative scrolls.
€468.55
Sold out
Extrema Ratio Nimbus Ordinanza is a modern version of the Second World War Italian Nimbus assault knife. The black blade 141 mm (5.55 in) is made of Böhler N690 steel. The sturdy black Forprene handle provides a comfortable grip. The total length of the Nimbus Ordinanza combat knife is 263 mm (10.35 in) Kydex sheath included. Weighs 203 g. (7.16 oz)
€308.06
Sold out
Extrema Ratio BD0 R Ranger Green is a new knife designed for lightness. With an overall length of 5.7” (165 mm) and a weight of just 52 g the Extrema Ratio BDØ R is an extremely light and slim knife which makes it an ideal EDC choice. It is characterized by a very slim profile with a focus on lightness. The blade is made in Bohler N690 steel hardened to 58 HRC, 2.36” (60mm) long, 0.1” (2.5 mm) thick, with a plain sharpening and a faux edge on the first third of the spine. The blade is deployed by the usual “Razor” tang extension which enables effortless ambidextrous operation. A simple yet sturdy liner lock system holds the blade open. The reversible clip with lightening holes contributes to maintain the weight of the knife to a minimum.
€78.23
Sold out
Extrema Ratio Adra SE 17 Stormo dagger is a numbered, unlimited edition, with satinfinish blade 178 mm (7 in) and 17th Stormo logo, serrated partly.
The “Arditi Distruttori della Regia Aeronautica” (lit. royal air force brave destroyers) were an Italian battalion serving in the North African theater during WW2, and awarded two silver medals of honor.
This ADRA dagger, with its classic European shape, was designed for and with strong input from the commanders and operatives of the 17th. Comes in a wooden case, including a parade belt sheath. Total length 311 mm (12.2 in). Weight 331 g (11.7 oz)
The “Arditi Distruttori della Regia Aeronautica” (lit. royal air force brave destroyers) were an Italian battalion serving in the North African theater during WW2, and awarded two silver medals of honor.
This ADRA dagger, with its classic European shape, was designed for and with strong input from the commanders and operatives of the 17th. Comes in a wooden case, including a parade belt sheath. Total length 311 mm (12.2 in). Weight 331 g (11.7 oz)
€644.35
Sold out
The Extrema Ratio Ermes is a commemorative knife with the satin-finished blade designed by the Special Operations Helicopter Regiment (R.E.O.S.), which is part of the Italian Army Aviation. R.E.O.S. is a helicopter operational unit supporting the special forces, composed of personnel specially equipped and trained to support hostilities in each operational context. The stylized knife guard represents the wings present in the regiment's heraldic symbol. Hybrid Kydex and fabric sheath has a belt attachment with MOLLE system.
€350.81
Sold out
The Extrema Ratio MF1 BC is a versatile tan-colored folding knife with textured blade. Everything said about the MF line is also true for the MF1 model. Its variant, the MF1 BC ("Belt Cutter"), has a sling cutter built into the handle with an easily replaceable blade. The MF1 BC also has a built-in screwdriver for adjusting the optics of firearms. The knife is designed specifically for use by law enforcement officers and paramilitary units, but due to its compactness, it is also perfect for everyday use.
€281.45
Sold out
Extrema Ratio Nemesis is a functional black self-defense folding knife. The design of this knife is similar to the M.P.C. model, but with a greater emphasis on defense. The blade is rather thick, strong and sharply sharpened. The front guard prevents the hand from slipping onto the blade. The long handle protrudes from the hand, allowing the knife to be used for non-lethal blows. The safety lock holds the lever of the Lockback mechanism, preventing accidental unlocking of the blade during heavy use. It can also be used to lock the knife in the closed state in case it was taken from the owner: then the Nemesis cannot be opened, even if the mechanism is irretrievably damaged. The hardened steel tip can be effectively used as glass-breaker. There is a lanyard hole on the handle. Extrema Ratio Nemesis is a knife with a pronounced Italian character.
€347.58
Sold out
Extrema Ratio BD4 R is a basic folding knife made in full black. The BD4 R perfectly combines the elegance of classic Italian style with the functionality of a folding knife for every day. The high-speed auxiliary knife opening system makes it easier to use. The streamlined blade is made of Böhler N690 cobalt steel, and the ergonomic handle uses anodized aluminum alloy.
€134.68
Sold out
A.S.F.K. is a dagger dedicated to and adopted by the new Comando Forze Speciali Esercito Italiano (Italian Special Forces). A.S.F.K. revives the Arditi tradition and cold weapon assaults which are characteristic of trench warfare. A.S.F.K. is a contemporary interpretation of the famous trench knife. It comes with N690 Böhler steel blade, forprene handle and a ring guard for hand protection while using it as a glass breaker.
€326.61
Sold out
This new folding knife comes out from a cooperation and planning phase with G.I.G.N. (special unit of the French national Gendarmerie). To maximize penetration, a special blade tip has been developed. On the back side of the handle it has a special tool to cut plastic handcuffs. It comes with a rear glass breaker, reversible clip and safety lock. The sheath has a hard ABS structure on a cordura basis and it has several possible ways of fixing: MOLLE system for tactical jackets, belt fixing and side fixing. The sheath is planned to be used with open blade knife.
€420.16
Sold out
Extrema Ratio HF2 tanto version. Extrema Ratio HF2 folding knife is projected for those who are looking for sturdiness and reliability of a fixed blade but also for compact sizes. Its N690 steel blade is available with Drop or Tanto point. For standard use the well known liner lock is enough safe. In case of hard extreme works it is requested to insert the steel pin in the proper hole to cross the handle and the blade, obtaining in this way a sturdy and reliable knife as much as a fixed blade. The steel clip can be removed or even placed on the opposite site of the handle by replacing it with the second supplied clip. It comes in four different versions: HF2 D BLACK, HF2 D DESERT WARFARE, HF2 T BLACK, HF2 T DESERT WARFARE.
€307.26
Sold out
Extrema Ratio BF2 CD Black Ruvido version. BF2's are “Full size” folding knives especially suitable for professional use by military or police operatives on the field. The handle is solid and comfortable, with the reversible clip becoming a useful and comfortable resting point for the thumb in a “reverse” grip. Characteristical lowered flat areas in the handle give access to the opening “pins”, which don’t protrude from the knife when closed. The flat-ground blade is available in a drop-point or a tanto shape, featuring an extra-thick and stout tip (as in model BF1). The renowned LINER-LOCK blade-blocking system is paired with a carter-protected, manually-activated secondary blocking system.
€150.00
Sold out
The Giant Mamba has a 6.3 mm thick, 58 HRC Böhler N690 steel, plain edged tanto blade with full length fuller for lightness finished in black or stone washed. The Forprene grip is affixed by a threaded tang that makes the knife sturdy and well balanced. The injection molded, impact grade nylon, M.O.L.L.E. compatible scabbard has a dampening system to avoid blade rattle, twin button safety loop, anti-rotation rubberized thigh strap and a retention safety disengaged by simple pressure on the trigger-like lever. The new knife line minimizes thickness and bulk without skimping on toughness and safety.
€235.89
Sold out
Extrema Ratio A.M.F. (Advanced Multi Function) Black is a 20,6 cm blade knife inspired to a legend in the survival cutlery of the 80es. It can be easily disassembled. Comes with cordura sheath fitting the M.O.L.L.E. system. A survival kit (to be bought only on request) can be easily fixed to the cordura sheath. A.M.F. comes also in desert version.
€329.84
Sold out
Extrema Ratio HF2 folding knife is projected for those who are looking for sturdiness and reliability of a fixed blade but also for compact sizes. Its N690 steel blade is available with Drop or Tanto point. For standard use the well known liner lock is enough safe. In case of hard extreme works it is requested to insert the steel pin in the proper hole to cross the handle and the blade, obtaining in this way a sturdy and reliable knife as much as a fixed blade. The steel clip can be removed or even placed on the opposite site of the handle by replacing it with the second supplied clip. It comes in four different versions: HF2 D BLACK, HF2 D DESERT WARFARE, HF2 T BLACK, HF2 T DESERT WARFARE
€307.26
Sold out
Folding knife Extrema Ratio BF2 R CD Desert version. BF2 R are folding knives especially suitable for professional use by military or police operatives. They keep all BF2 characteristics, improved with the new high speed Razor opening system. Available versions: BF2 R Classic Tanto BLACK, BF2 R Classic Tanto STONE WASHED, BF2 R Classic Tanto DESERT, BF2 R Classic Drop BLACK, BF2 R Classic Drop STONE WASHED, BF2 R Classic Drop DESERT.
€155.65
Sold out
A multifunctional tool with a basic and essential design, jointly developed with military professionals. It features a special tip useful for adjusting and calibrating firearm optics. The front of a TK TOOL 2.0 can be used as a screwdriver suitable for 8/10 mm screws, or as a prying lever. The central slot in the blade can be used as a shackle key. This tool has also features two holes for a cord or paracord used in assembling a field or camping tent. Overall, a much sought-after tool for a number of outdoor activities. MOLLE system compliant.
€43.55
Sold out
MyGoodKnife is the official distributor of Extrema Ratio. Extrema Ratio knives are a part of equipment of many special military units of Italy, the police and rescue services. Each model is developed very carefully and undergoes a series of rigorous tests before it is put into production. Extrema Ratio cooperates with the University of Perugia, where scientists conduct a number of studies determining the ergonomics of Extrema Ratio products and methods for improving it. The office of Extrema Ratio is located in Prato, Italy. Both Extreme Ratio tactical knives and EDC knives are distinguished by impeccable quality. Most knives are made of Austrian steel N690, which is famous for its high content of molybdenum and cobalt and is highly corrosion resistant. Due to this, N690 steel has increased strength and resists shock loads well. The most popular Extrema Ratio knives are Fulcrum, Col Moschin, RAO, Adra and others. Extrema Ratio also produces several lines of tactical folding knives: BF (basic folder), MF (medium folder), BD4, BD2 series and other knives. In our store you can buy Extrema Ratio tactical knives, as well as folding and EDC knives of this brand.