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
Travels 3,870 fps (80 grain bullet), giving you the flattest trajectory of any 25 caliber rifle in the world. Suitable for long-range varmint shooting but ideal for big game hunting (depending upon bullet weight).
Cartridge - 257 Weatherby Magnum
Best Use - Hunting
Grain Weight - 92 Grains
Quantity - 20 Round
Muzzle Velocity - 3700 Feet Per Second
Muzzle Energy - 2796 Foot Pounds
Bullet Style - Solid Hollow Point
Lead Free - Yes
Case Type - Brass
Primer - Boxer
Corrosive - No
Reloadable - Yes
G1 Ballistic Coefficient - 0.322
Velocity Rating - Supersonic
Country of Origin - United States of America
