The SAECO and Rim Rock .44-caliber wadcutter bullets experienced crimping grooves so I employed them. Powder coating around the SAECO wadcutter bullets just about loaded while in the crimp grooves, but sufficient on the groove however remained to use a crimp. The noses of both of those seated wadcutter bullets https://handloadingsupply.com/product/572-winchester-smokeless-powder-4-lb/