Load Data for .257 Weatherby Magnum

 
Bullet: 100 gr Spitzer BTSP  (Speer)
Diameter: 0.257"
 
Powder: N560 (VihtaVuori)
Starting Powder: 65.0 gr
Max Powder: 67.0 gr
 
Primer: CCI 250 Mag
 
Case: FED
Trim Length: 2.539"
 
Cartridge Overall Length: 3.150"
 
Starting Velocity: 3,290
Starting Pressure:  
Max Velocity: 3,413
Max Pressure:  
 
 
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/257-weatherby-magnum-with-100gr-spitzer-sp-hot-corpdf.pdf
 
Printed from Shooter's Reference on 11/21/2024:
https://www.shootersreference.com/reloadingdata/257-weatherby-magnum/