The pre-64 version has to be the most overrated rifle in history.
An action's weight, dimensions, and stiffness are matters of objective fact. Despite the addition of some subjectivity the reasonable know that less brass support from a coned breech is no advantage when containing pressure. Neither are asymmetrical lugs.
The best thing about my M70s is that they make my M77s feel light.
The pre-64 version has to be the most overrated rifle in history.