Bullet: 150 gr
Spitzer BTSP
(Speer)
Diameter: 0.308"
Powder: IMR 4320 (Improved Military Rifle)
Starting Powder: 52.0 gr
Max Powder: 56.0 gr
Primer: CCI 200
Case: WIN
Trim Length:
Cartridge Overall Length: 3.500"
Starting Velocity: 2,642
Starting Pressure:
Max Velocity: 2,877
Max Pressure:
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/300_HH_Magnum_150.pdf
Printed from Shooter's Reference on 11/21/2024: