Bullet: 285 gr
Grand Slam SP/CANN
(Speer)
Diameter: 0.375"
Powder: IMR 4064 (Improved Military Rifle)
Starting Powder: 64.0 gr
Max Powder: 68.0 gr
Primer: CCI 250 Mag
Case: WIN
Trim Length:
Cartridge Overall Length: 3.560"
Starting Velocity: 2,405
Starting Pressure:
Max Velocity: 2,552
Max Pressure:
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/375_HH_Magnum_285.pdf
Printed from Shooter's Reference on 12/21/2024: