Load Data for .338 RUM (Remington Ultra Magnum)


 
Bullet: 210 gr PART  (NOS)
Diameter: 0.338"
 
Powder: Grand (Ramshot)
Starting Powder: 93.0 gr
Max Powder: 99.6 gr
 
Primer: REM 9½M
 
Case: REM
Trim Length: 2.750"
 
Cartridge Overall Length: 3.540"
 
Starting Velocity: 2,988
Starting Pressure: 50,800
Max Velocity: 3,226
Max Pressure: 63,800
 
Compressed
Barrel: 24" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 07/31/2025:
https://www.shootersreference.com/reloadingdata/338-rum-remington-ultra-magnum/