Grasso Bolo III - 5160 (In Surface Grinding) Please put your request in on this thread. Drawing comparison: The I - II - II are already in production and can be ordered with any Micarta or G-10 - All will have corby bolts so No Mosaic pins and No Spacers - You can order with Liners. No other Options. - No woods. The I - II & III will all be made from 5160 at 57-58rc. For Scale Purposes the III is 17.250" long overall.