Despite what some say you have to hand it to the 303 and other so called arcane rounds (9.3, 30-06, 30-30 etc etc)been delivering the goods for many many years worlwide, and still doing it.
Just ask Rodders warthog.

Will we say the same for the latest "you beaut" 300 Weatherwinmington shortfirecracker magnum dinosaur walloper(also available in a heavey barreled tactical varmint model)....some how I doubt it.