The plain jane Winchester 348 is pretty great the way it is. Really well balanced ballistics, and feeds slick as poo from a goose with that tapered case. It also has very little recoil from a heavy 71 and that makes repeat shots very fast. I can see some sense in the 35-348 Ackley improved. Better than Whelen ballistics and some interesting 35 caliber bullets to use like the great 220 Speer.