Load Data for .338 Winchester Magnum


 
Bullet: 275 gr SP  (Speer)
Diameter: 0.338"
 
Powder: Supreme 780 (Winchester)
Starting Powder: 67.7 gr
Max Powder: 72.0 gr
 
Primer: WIN WLRM
 
Case: WIN
Trim Length: 2.490"
 
Cartridge Overall Length: 3.340"
 
Starting Velocity: 2,396
Starting Pressure: 42,900
Max Velocity: 2,546
Max Pressure: 51,000 CUP
 
Barrel: 24" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

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