Bullet: 165 gr
Spitzer BTSP
(Speer)
Diameter: 0.308"
Powder: IMR 7977 (Improved Military Rifle)
Starting Powder: 108.0 gr
Max Powder: 114.6 gr
Primer: CCI 250 Mag
Case: Weatherby
Trim Length:
Cartridge Overall Length: 3.645"
Starting Velocity: 3,186
Starting Pressure:
Max Velocity: 3,430
Max Pressure:
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/30-378_Weatherby_Magnum_165_168.pdf
Printed from Shooter's Reference on 11/21/2024: