We could use a new model as well. Maybe a Gurkha knife could be added that has the stats of the Khyber knife and the Khybers could be flipped over.
Also, Siiem, your an ignorant, jack'n'ape. The Mughals made the thing for precisely the purpose outlined by Heresiarch, it was created to deal with heavy mail armours. The spine of the blade is a flat heavy t section which keeps the thing very hard and gives it a high penetration value against shit like mail. Go spout you uneducated blather else where.