I suggest you contact SSK Industries or Mike Bellum. Both shops are knowledgeable on rechambering TCs. I would trust their opinion on determining if the Scout is strong enough to handle the 444 cartridge.

"Therefore go and make disciples of all nations,... "
Matthew 28:19

Handgun hunter since 1979 - haven't used a rifle since!
HHI member #992, NRA, SCI.