The handle is composed of 2 anodized anticorodal aluminum scales in the new Tactical Mud color; the blade is made of Böhler N690 steel with a hardness of 58 HRC bearing the engraving of the department motto and coated with MIL-C-13924 burnishing.
BD4 ADRA is available in a limited edition of 100 pieces and can be purchased exclusively on extremaratio.com. It comes inside a certified IP67 waterproof polypropylene technical case with pressurization valve resistant to atmospheric agents, dust and shocks; this includes a scroll outlining the past and present of the 17th Stormo Incursori and a metal plate bearing the progressive number within the limited series.