Husqvarna, thicker and/or fluted barrels poorly made or improperly fit to actions will still bend when they get hot.
I and others have shot standard weight .308 Win. barrels 24 times in 50 seconds and point of impact did not change at all. But those barrels were well made and fit to actions.
US Navy Distinguished Marksman Badge 153
Former US Navy & Palma Rifle Team Member
NRA High Power Master & Long Range High Master
NRA Smallbore Prone Master