- RAO Black parachute reconnaissance regiment "185° Rgt. Ricognizione e Acquisizione Obiettivi" entrusted Extrema Ratio with the design of a knife adapted to the specific operations of the unit. Bolt Lock and additional screw-on bolt turns the folder into a
RAO Black, in june 2006 parachute reconnaissance regiment "185° Rgt. Ricognizione e Acquisizione Obiettivi" (185° RAO) entrusted the company Extrema Ratio development of a unique knife adapted to the specific operations of the unit. The project resulted in the creation of the RAO, a solid heavy folding knife (Heaviest Folder) with a massive, reliable blade.
Legendary RAO is a durable, versatile knife with a folding solid head designed for use on the battlefield and for extremely heavy work. Reliable blade locking system Bolt Lock, supported by an additional bolt-on (right side) steel safety pin (Extra Safety Lock), effectively turns the folder into a fixed blade knife.
Head - solid with a thickness of 6 mm i extremely sharp with a short false blade and shape Tanto provides excellent cutting edge geometry with low friction. Made of good sharpness-holding, durable, high-cobalt stainless steel N690 hardness 58 HRC made in an Austrian steel mill Böhler-Uddeholm. The blade is coated with a non-reflective matte finish MIL-C-13924 BURNISHING. Smooth blade Plain brought out flat grind (Flat grind). On the back of the wedge long notched ramp under the thumb (spine jimping) facilitates efficient knife handling.
Double head locking system: robust mechanism Bolt-Lock and an additional safety device, steel threaded pin which should be passed and screwed through two holes located in the handle. Opening and closing the blade should be done with both hands to minimize the risk of self-injury, since the blade, due to its weight, is a real guillotine. The head with an offset center of gravity also allows the knife to be opened with a decisive flick of the wrist.
Handle - full-size, as in combat knives. Grip facings with anodized aluminum guaranteeing a firm grip with wet hands as well as in a glove. Full liners stainless steel. In the back of the grip, a hole (lanyard hole) with a pulled elastic cord with attached steel pin. Additional notched spine jimping on the back of the handle for users who appreciate an inverted grip. Steel head can perform the function of glass breaker and more...
Vagina - multifunctional made of abrasion-resistant, waterproof nylon in color black. Fastened with a buckle type DuraFlex. The holster allows you to carry a folded folder and with the blade open like a knife with a fixed blade on a belt or at armour / vest using the tapes of the M.O.L.L.E. Additional pocket for carrying diamond sharpener.
Technical data:
Product number: 04.1000.0141/BLK
Name: RAO Black
Type of steel: Böhler N690
Blade hardness: 58 HRC
Blade length: 119.0 mm / 4.70"
Blade thickness: 6.0 mm / 0.24"
Overall length: 263.0 mm / 10.35"
Weight: 335.0 g / 11.80 oz
Type of cutting edge: Plain
Grind Type: Flat Grind
Blade type: Tanto
Locking mechanism: Bolt Lock & Extra Safety Lock (bolt-on steel pin)
Handle Material: Anticorodal Anodized Aluminum
Case: Nylon
Manufacturer: Extrema Ratio, Italy
Elaboration: the company Sharg®
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