Bullet: 100 gr
HP
(Speer)
Diameter: 0.257"
Powder: H1000 (Hodgdon)
Starting Powder: 69.0 gr
Max Powder: 71.0 gr
Primer: CCI 250 Mag
Case: FED
Trim Length: 2.539"
Cartridge Overall Length: 3.140"
Starting Velocity: 3,302
Starting Pressure:
Max Velocity: 3,405
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 12/21/2024: