When you neck up a new, unfired .30-06 case to accept a .358-caliber bullet, you have produced a new, unfired .35 Whelen case that is about 0.030" shorter than the factory brass. That is a good thing for fire-forming .35 Brown Whelen brass, which will shorten it even more.
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.