Second, there´s a discussion elsewhere if it´s even an outer or an inner composition. Speculation from bad pictures.
Third, it could be any custom blade and Butterfly could be bored to always deliver them with Viscaria grip
And fourth, since it´s Ovtcharov it could be something else tomorrow.
Trusted and most tested and winnigest compositions TB ALC Viscaria HL5, everything else winning is a clone of these, and the reat doesn't win as most as those set ups