Bullet: 180 gr
Spitzer SP Hot-Cor
(Speer)
Diameter: 0.308"
Powder: IMR 4831 (Improved Military Rifle)
Starting Powder: 91.0 gr
Max Powder: 95.0 gr
Primer: CCI 250 Mag
Case: Weatherby
Trim Length:
Cartridge Overall Length: 3.645"
Starting Velocity: 3,041
Starting Pressure:
Max Velocity: 3,161
Max Pressure:
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/30-378_Weatherby_Magnum_180.pdf
Printed from Shooter's Reference on 11/23/2024: