Load Data for .30 - 378 Weatherby Magnum


 
Bullet: 200 gr AB  (NOS)
Diameter: 0.308"
 
Powder: IMR 7977 (Improved Military Rifle)
Starting Powder: 97.8 gr
Max Powder: 104.0 gr
 
Primer: FED 215m
 
Case: Weatherby
Trim Length: 2.903"
 
Cartridge Overall Length: 3.645"
 
Starting Velocity: 2,921
Starting Pressure: 45,100
Max Velocity: 3,176
Max Pressure: 54,400 CUP
 
Barrel: 26" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 11/23/2024:
https://www.shootersreference.com/reloadingdata/30-378-weatherby-magnum/