Introduced in 1963, the 340 Weatherby was designed as a response to the 338 Winchester Mag. However, Roy took advantage of the longer case to pack in more powder for greater velocity.
Introduced in 1959. Considered to be the world’s largest, most powerful shoulder-fired cartridge, the 460 shoots a 500 grain bullet at 2,600 fps, delivering an incredible 7,507 foot pounds of muzzle energy.