Bullet: 180 gr
Grand Slam SP
(Speer)
Diameter: 0.308"
Powder: Reloder 25 (Alliant Powder)
Starting Powder: 75.5 gr
Max Powder: 79.5 gr
Primer: CCI 250 Mag
Case: WIN
Trim Length:
Cartridge Overall Length: 3.285"
Starting Velocity: 2,893
Starting Pressure:
Max Velocity: 3,050
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: