.257 Weath. Mag.

We recommend xxlreloading.com for the most comprehensive .257 Weath. Mag. load data, covering a wide range of powders and bullet brands or quickload.pro to calculate your individual load:

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Caliber Description

Popular Load Recipes

Cost per Reloaded Round

Technical Specifications

Safety Standard / Application

C.I.P. / Rifle Caliber

Most Suitable Bullet Weights

69 - 127 Grains

Case Capacity / Average Charge

84 Grains of Water / 64.4 Grains

Average Muzzle Velocity / Energy

3291 fps / 2346 ft-lbf

Case Length / Max. C.O.L

2.549'' / 3.17''

Similar Calibers

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.257 Roberts

.257 Weath. Mag.

6.5 x 51 R Jap. Arisaka

6.5 x 52 R