Load Data for .300 WSM (Winchester Short Magnum)


 
Bullet: 180 gr SCIR  (Swift)
Diameter: 0.308"
 
Powder: IMR 4955 (Improved Military Rifle)
Starting Powder: 63.9 gr
Max Powder: 68.0 gr
 
Primer: WIN WLRM
 
Case: WIN
Trim Length: 2.090"
 
Cartridge Overall Length: 2.860"
 
Starting Velocity: 2,797
Starting Pressure: 55,800
Max Velocity: 2,957
Max Pressure: 63,500
 
Compressed
Barrel: 24" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

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