Bullet: 180 gr
Spitzer BTSP
(Speer)
Diameter: 0.308"
Powder: IMR 4831 (Improved Military Rifle)
Starting Powder: 69.0 gr
Max Powder: 73.0 gr
Primer: CCI 250 Mag
Case: WIN
Trim Length:
Cartridge Overall Length: 3.340"
Starting Velocity: 2,789
Starting Pressure:
Max Velocity: 2,951
Max Pressure:
Compressed
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/300_Winchester_Magnum_180.pdf
Printed from Shooter's Reference on 05/02/2024: