Load Data for .300 WSM (Winchester Short Magnum)

 
Bullet: 150 gr Grand Slam SP  (Speer)
Diameter: 0.308"
 
Powder: 2700 (Accurate)
Starting Powder: 61.0 gr
Max Powder: 65.0 gr
 
Primer: CCI 250 Mag
 
Case: WIN
Trim Length:  
 
Cartridge Overall Length: 2.780"
 
Starting Velocity: 3,069
Starting Pressure:  
Max Velocity: 3,197
Max Pressure:  
 
 
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/300_Winchester_Short_Magnum_150.pdf
 
Printed from Shooter's Reference on 04/27/2024:
https://www.shootersreference.com/reloadingdata/300-wsm-winchester-short-magnum/