Load Data for .257 Weatherby Magnum


 
Bullet: 117 gr SPBT  (HDY)
Diameter: 0.257"
 
Powder: H4831 (Hodgdon)
Starting Powder: 62.0 gr
Max Powder: 66.0 gr
 
Primer: FED 215
 
Case: Weatherby
Trim Length: 2.535"
 
Cartridge Overall Length: 3.220"
 
Starting Velocity: 3,099
Starting Pressure: 44,800
Max Velocity: 3,252
Max Pressure: 52,300 CUP
 
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/