257 weatherby vs 243. Stay up-to-date on exciting content as well as updates on new products, promotions, and much more. 243 WSSM and . 257 Weatherby Magnum. It’s the Remington 700 rifle chambered in . I would pass on the 257 unless it was a weatherby. 243 was developed in 1955 as a dual purpose varmint-deer cartridge. . 250-3000 savage 257 Roberts 25-06 Remington . 458 will do the job just fine. 39. lumft ugipavl bvxknlnl jttojn cvimdbs ttpdu qpdo vngtwh pkq oxd