After 450-grains of FN solid, little is gained by increasing weight, a shorter bullet is inherently more stable:
The Bastardfile Bullet Works #13 (BBW#13) nose profile is the better nose profile with meplat of about 67% of caliber (65% to 70% of .458" is 0.300" to 0.321" for about optimum), and 13* hemi-angle on the truncated nose cone, 26* cone angle.
Ron aka "Rip" for Riflecrank Internationale Permanente NRA Life Benefactor and Beneficiary .458 Winchester Magnum, Magnanimous in Victory THE WALKING DEAD does so remind me of Democrap voters. Donkeypox.