Nosler's max loads are for the bullet that results in the highest pressure--with the exception of the E-Tip. (They used to suggest stopping with the middle load with E-Tips, but have started varying that warning.) That way pressures with any of the other bullets in that weigh/caliber will be safe.

“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck