Load Data for .257 Weatherby Magnum


 
Bullet: 117 gr SPBT  (HDY)
Diameter: 0.257"
 
Powder: H4350 (Hodgdon)
Starting Powder: 57.0 gr
Max Powder: 60.5 gr
 
Primer: FED 215
 
Case: Weatherby
Trim Length: 2.535"
 
Cartridge Overall Length: 3.220"
 
Starting Velocity: 3,112
Starting Pressure: 46,000
Max Velocity: 3,266
Max Pressure: 52,000 CUP
 
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/