Bullet: 150 gr
Grand Slam SP
(Speer)
Diameter: 0.308"
Powder: Reloder 23 (Alliant Powder)
Starting Powder: 74.6 gr
Max Powder: 82.9 gr
Primer: FED 215
Case: FED
Trim Length:
Cartridge Overall Length: 3.490"
Starting Velocity: 3,016
Starting Pressure:
Max Velocity: 3,334
Max Pressure:
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/300_Weatherby_Magnum_150.pdf
Printed from Shooter's Reference on 12/21/2024: