Load Data for .257 Weatherby Magnum


 
Bullet: 90 gr HPBT  (Sierra)
Diameter: 0.257"
 
Powder: H414 (Hodgdon)
Starting Powder: 62.0 gr
Max Powder: 66.0 gr
 
Primer: FED 215
 
Case: Weatherby
Trim Length: 2.535"
 
Cartridge Overall Length: 3.150"
 
Starting Velocity: 3,458
Starting Pressure: 44,000
Max Velocity: 3,671
Max Pressure: 52,200 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/