Proudly known as Roy's favorite cartridge, the 257 WBY MAG was built to shoot ultrafast and hit hard. Initially developed in the 1940s, the 257 speeds out of the barrel at 3700 fps and is known to drop animals where they stand. On this episode we're diving into the history, development, and ballistic information of the legendary 257 WBY MAG. On this episode we discuss: - Roy’s favorite cartridge - One of the first developed - Initially a wildcat cartridge - Necking down a 375 H&H - Technology at the time - Chronograph situation in 1944 - Bullets and how far they’ve come - Pushing velocities - Using a 257 for elk? - Environments where the 257 thrives - Practicing on moving targets - A once-in-a-lifetime Wyoming bison tag Connect with Weatherby! Instagram: https://www.instagram.com/weatherbyinc/ Facebook: https://www.facebook.com/Weatherbyinc/ Follow our shotgun page! Instagram: https://www.instagram.com/wbyfieldandflight/ Facebook: https://www.facebook.com/WBYfieldandflight/