Load Data for .300 WSM (Winchester Short Magnum)


 
Bullet: 150 gr Spitzer BTSP  (Speer)
Diameter: 0.308"
 
Powder: 760 (Winchester)
Starting Powder: 64.5 gr
Max Powder: 68.5 gr
 
Primer: CCI 250 Mag
 
Case: WIN
Trim Length:  
 
Cartridge Overall Length: 2.810"
 
Starting Velocity: 3,085
Starting Pressure:  
Max Velocity: 3,238
Max Pressure:  
 
 
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/300_Winchester_Short_Magnum_150.pdf
 

Printed from Shooter's Reference on 12/21/2024:
https://www.shootersreference.com/reloadingdata/300-wsm-winchester-short-magnum/