Load Data for .300 WSM (Winchester Short Magnum)


 
Bullet: 180 gr Grand Slam SP  (Speer)
Diameter: 0.308"
 
Powder: H380 (Hodgdon)
Starting Powder: 58.0 gr
Max Powder: 62.0 gr
 
Primer: CCI 250 Mag
 
Case: WIN
Trim Length:  
 
Cartridge Overall Length: 2.760"
 
Starting Velocity: 2,705
Starting Pressure:  
Max Velocity: 2,843
Max Pressure:  
 
 
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/300_Winchester_Short_Magnum_180.pdf
 

Printed from Shooter's Reference on 11/21/2024:
https://www.shootersreference.com/reloadingdata/300-wsm-winchester-short-magnum/