Very cool sir!
I have a mould that casts a 425ggr. 476" LBT that differs from that one only by number of lube grooves.
It works very well out of my 4 1/4" 480 Super Redhawk.
1050 fps. and they'll still penetrate most of the length of a red oak log in the woodpile.
What rifling twist is that #1?
