Load Data for .300 Winchester Magnum

 
Bullet: 150 gr Grand Slam SP  (Speer)
Diameter: 0.308"
 
Powder: 2000-MR (Alliant Powder)
Starting Powder: 70.4 gr
Max Powder: 78.1 gr
 
Primer: FED 215
 
Case: FED
Trim Length:  
 
Cartridge Overall Length: 3.285"
 
Starting Velocity: 3,033
Starting Pressure:  
Max Velocity: 3,328
Max Pressure:  
 
 
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/300_Winchester_Magnum_150.pdf
 
Printed from Shooter's Reference on 11/21/2024:
https://www.shootersreference.com/reloadingdata/300-winchester-magnum/