Bullet: 100 gr
HP
(Speer)
Diameter: 0.257"
Powder: Reloder 23 (Alliant Powder)
Starting Powder: 62.6 gr
Max Powder: 69.5 gr
Primer: CCI 250 Mag
Case: Weatherby
Trim Length: 2.539"
Cartridge Overall Length: 3.140"
Starting Velocity: 3,109
Starting Pressure:
Max Velocity: 3,445
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: