Bullet: 150 gr
Spitzer SP Hot-Cor
(Speer)
Diameter: 0.308"
Powder: IMR 7977 (Improved Military Rifle)
Starting Powder: 90.0 gr
Max Powder: 99.2 gr
Primer: FED 215
Case: FED
Trim Length:
Cartridge Overall Length: 3.495"
Starting Velocity: 3,031
Starting Pressure:
Max Velocity: 3,402
Max Pressure:
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/300_Remington_Ultra_Magnum_150.pdf
Printed from Shooter's Reference on 11/21/2024: