Load Data for 7 mm RUM (Remington Ultra Magnum)


 
Bullet: 145 gr GSSP  (Speer)
Diameter: 0.284"
 
Powder: IMR 7828 SSC (Improved Military Rifle)
Starting Powder: 81.0 gr
Max Powder: 88.6 gr
 
Primer: REM 9½M
 
Case: REM
Trim Length: 2.840"
 
Cartridge Overall Length: 3.580"
 
Starting Velocity: 3,022
Starting Pressure: 49,600
Max Velocity: 3,341
Max Pressure: 63,800
 
Barrel: 24" with 1.9.5" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/30/2024:
https://www.shootersreference.com/reloadingdata/7-mm-rum-remington-ultra-magnum/