Load Data for .338 - 378 Weatherby Magnum


 
Bullet: 265 gr TTSX BT  (Barnes)
Diameter: 0.338"
 
Powder: Supreme 780 (Winchester)
Starting Powder: 93.1 gr
Max Powder: 99.0 gr
 
Primer: FED 215m
 
Case: Weatherby
Trim Length: 2.903"
 
Cartridge Overall Length: 3.900"
 
Starting Velocity: 2,784
Starting Pressure: 44,800
Max Velocity: 2,943
Max Pressure: 51,900 CUP
 
Barrel: 26" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/21/2024:
https://www.shootersreference.com/reloadingdata/338-378-weatherby-magnum/