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Extrema Ratio RAO Folder - Black

MSRP: $513.99 CDN

Price $439.99 CDN

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Extrema Ratio RAO Folder

Blade Length: 4.7"
Overall Length: 10.4"
Blade Thickness: 0.24"
Blade Steel: Bohler N690
Handle: Aluminum
Hardness: 58 HRC

Extra safe locking device is a steel pin that is hand screwed into place, locking blade open or closed. Nylon sheath is MOLLE compatible and holds diamond sharpener.

In June 2006, the “185° Rgt. Ricognizione e Acquisizione Obiettivi” (Target Acquisition Regiment) airborne “FOLGORE” (185° RAO) entrusted to Extrema Ratio the development of a unique knife fitting the unit’s specific operational duties. This resulted in the RAO: not an oversized folder as much as a compact survival & field knife, with a heavy and dependable blade. Its very reliable locking system, assisted by an extra safety device, effectively turns this folder into a fixed blade knife. The opening and closing is to be performed with both hands in order to minimize the risk of self-inflicted injuries, as the blade, because of its weight, is a veritable guillotine. The extra safe device is a steel pin to be hand-screwed through two holes by the guard section of the massive Anticorodal aluminum handle – its presence between blade and hand also acting as a great psychological boon. The sheath is an essential part of this weapon system: it holds a diamond-plate sharpener and enables user to carry the knife either in open position, held in place by a cord and two clips, or closed, inside the front pocket. The sheath can be attached to tactical vests or common belts, being MOLLE system-compliant.


Made in Italy


  • Model: EXRAOBLK
  • Manufactured by: Extrema Ratio

This product was added to our catalog on Friday 21 June, 2013.

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