Bullet: 120 gr
Spitzer BTSP
(Speer)
Diameter: 0.257"
Powder: Reloder 22 (Alliant Powder)
Starting Powder: 59.0 gr
Max Powder: 63.0 gr
Primer: CCI 250 Mag
Case: FED
Trim Length: 2.539"
Cartridge Overall Length: 3.170"
Starting Velocity: 2,904
Starting Pressure:
Max Velocity: 3,120
Max Pressure:
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/257-weatherby-magnum-with-120-gr-spitzer-btsppdf.pdf
Printed from Shooter's Reference on 11/21/2024: