Bullet: 285 gr
Grand Slam SP/CANN
(Speer)
Diameter: 0.375"
Powder: Reloder 23 (Alliant Powder)
Starting Powder: 108.0 gr
Max Powder: 113.0 gr
Primer: CCI 250 Mag
Case: Norma Precision AB
Trim Length: 2.903"
Cartridge Overall Length: 3.640"
Starting Velocity: 2,970
Starting Pressure:
Max Velocity: 3,100
Max Pressure:
Compressed
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/378-weatherby-magnum-with-285-gr-grand-slam-spcannpdf.pdf
Printed from Shooter's Reference on 12/21/2024: