Maybe try the Power Belt (plastic-skirted) .45-cal muzzleloader bullets inside a .458 WM case ?
My local range died and I am joining a better place come April Fools' Day. Will be pulling those decrepit SAAMI .458 Loser bullets and loading up some .458 Watts Express to shoot from the termite hill or at the new range, whichever I can get to first.
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.