257 Weatherby Magnum 100 Grain Barnes TTSX

The .257 Weatherby was one of Roy Weatherby’s earliest creations and quickly became his favorite. This flat shooting cartridge has grown to be one of Weatherby’s most popular rounds.

CARTRIDGE SPECS
Bullet Diameter: .257 (6.35mm)
Common Reference: 25 Caliber
Max Case Length: 2.549”
Developed: 1943
Production Start: 1945