Load Data for .300 RUM (Remington Ultra Magnum)


 
Bullet: 150 gr Tipped TSX  (Barnes)
Diameter: 0.308"
 
Powder: IMR 4350 (Improved Military Rifle)
Starting Powder: 81.0 gr
Max Powder: 89.0 gr
 
Primer: FED 215
 
Case: REM
Trim Length: 2.840"
 
Cartridge Overall Length: 3.600"
 
Starting Velocity: 3,183
Starting Pressure:  
Max Velocity: 3,458
Max Pressure:  
 
Barrel: 24" with 1:10" twist.
 
Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/300-Rem-Ultra-Mag.pdf
 

Printed from Shooter's Reference on 11/23/2024:
https://www.shootersreference.com/reloadingdata/300-rum-remington-ultra-magnum/