Load Data for .300 RUM (Remington Ultra Magnum)

 
Bullet: 150 gr BTSP  (Speer)
Diameter: 
 
Powder: 4000-MR (Alliant Powder)
Starting Powder: 81.0 gr
Max Powder: 90.0 gr
 
Primer: FED 215
 
Case: FED
Trim Length:  
 
Cartridge Overall Length: 3.495"
 
Starting Velocity:  
Starting Pressure:  
Max Velocity: 3,475
Max Pressure:  
 
Barrel: 24" with None twist.
 
Source: https://www.alliantpowder.com/reloaders/recipedetail.aspx?gtypeid=2&weight=150&shellid=86&bulletid=181
 
Printed from Shooter's Reference on 05/04/2024:
https://www.shootersreference.com/reloadingdata/300-rum-remington-ultra-magnum/