Load Data for .257 Weatherby Magnum


 
Bullet: 90 gr GMX  (HDY)
Diameter: 0.257"
 
Powder: Magnum (Ramshot)
Starting Powder: 68.1 gr
Max Powder: 75.7 gr
 
Primer: WIN WLR
 
Case: Weatherby
Trim Length: 2.535"
 
Cartridge Overall Length: 3.180"
 
Starting Velocity: 3,231
Starting Pressure: 55,300
Max Velocity: 3,591
Max Pressure: 61,500
 
Barrel: 26" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/21/2024:
https://www.shootersreference.com/reloadingdata/257-weatherby-magnum/