I cast that same bullet design in .358 for my 357 Ruger BlackHawk and Henry Big Boy. It's a Lyman steel mold, its heavy but works great. The bullets weigh in at 150 grains.
They are the most accurate bullets I've ever used.
Rookie reloader, but learning fast
I load, 9mm Luger, .40, 38 S&W, .38 Special, .357, .45ACP, .45 Colt, .243 and 30-06