I seated the 358429 to 1.553” OAL per Lyman’s reloading cast data and then tapered crimped with my Redding taper crimp die...there was absolutely no change in the OAL (as roll crimp had with this bullet over the forward edge).

I shot some rounds this morning in my Ruger Blackhawk and unfired rounds showed no bullet creep resulting from the taper crimp. I need to get to the range for accuracy and chronograph testing.