Load Data for .257 Weatherby Magnum


 
Bullet: 100 gr E-TIP  (NOS)
Diameter: 0.257"
 
Powder: 4350 (Accurate)
Starting Powder: 56.5 gr
Max Powder: 62.7 gr
 
Primer: WIN WLR
 
Case: Weatherby
Trim Length: 2.535"
 
Cartridge Overall Length: 3.240"
 
Starting Velocity: 3,072
Starting Pressure: 55,600
Max Velocity: 3,350
Max Pressure: 61,700
 
Barrel: 26" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 11/21/2024:
https://www.shootersreference.com/reloadingdata/257-weatherby-magnum/