Load Data for .338 Winchester Magnum


 
Bullet: 250 gr Grand Slam  (Speer)
Diameter: 
 
Powder: N160 (VihtaVuori)
Starting Powder: 69.3 gr
Max Powder: 74.5 gr
 
Primer:  Large Rifle Magnum
 
Case: Lapua
Trim Length: 2.492"
 
Cartridge Overall Length: 3.299"
 
Starting Velocity: 2,470
Starting Pressure:  
Max Velocity: 2,655
Max Pressure:  
 
Barrel: 24.5" with 1 in 10" twist.
 
Source: https://www.vihtavuori.com/reloading-data/rifle-reloading/?cartridge=34
 

Printed from Shooter's Reference on 04/27/2024:
https://www.shootersreference.com/reloadingdata/338-winchester-magnum/