I am definitely finding this out to be true. I want all my cake and want to eat it too. Bartlein just announced a new proprietary steel they developed and can significantly increase the barrel life, as well as spin up carbon fiber barrels in the same. Their weight estimates are higher than proof prefits but might be from weighed blanks so I think it will be comparable once they are chambered...hopefully. If not my weight went up even more!
As others have said cutting weight is a game of compromises, but it's certainly easier to do with components today than it was just a few short years ago. This is 9.25lb without the Atlas bipod: