You need both.
I have one of each that are my absolute "go to" guns.
A R77 RL in 308 and a R77 R in 270. Born killers.
Of course I have more that fall in line behind these two.

"The significant problems we face cannot be solved at the same level of thinking we were at when we created them."
Albert Einstein

At Khe Sanh a sign read "For those who fight for it, life has a flavor the protected never knew".