Load Data for .257 Weatherby Magnum


 
Bullet: 90 gr GMX  (HDY)
Diameter: 0.257"
 
Powder: MagPro (Accurate)
Starting Powder: 67.5 gr
Max Powder: 75.0 gr
 
Primer: WIN WLR
 
Case: Weatherby
Trim Length: 2.535"
 
Cartridge Overall Length: 3.180"
 
Starting Velocity: 3,228
Starting Pressure: 56,200
Max Velocity: 3,624
Max Pressure: 62,500
 
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/