Load Data for .338 RUM (Remington Ultra Magnum)

 
Bullet: 250 gr Grand Slam SP  (Speer)
Diameter: 0.338"
 
Powder: IMR 7828 (Improved Military Rifle)
Starting Powder: 87.0 gr
Max Powder: 91.0 gr
 
Primer: FED 215
 
Case: FED
Trim Length:  
 
Cartridge Overall Length: 3.550"
 
Starting Velocity: 2,763
Starting Pressure:  
Max Velocity: 2,871
Max Pressure:  
 
 
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/338_Remington_Ultra_Magnum_250.pdf
 
Printed from Shooter's Reference on 12/21/2024:
https://www.shootersreference.com/reloadingdata/338-rum-remington-ultra-magnum/