Load Data for .300 WSM (Winchester Short Magnum)


 
Bullet: 168 gr HPBT  (Sierra)
Diameter: 0.308"
 
Powder: IMR 4955 (Improved Military Rifle)
Starting Powder: 66.8 gr
Max Powder: 71.2 gr
 
Primer: WIN WLRM
 
Case: WIN
Trim Length: 2.090"
 
Cartridge Overall Length: 2.840"
 
Starting Velocity: 2,906
Starting Pressure: 53,100
Max Velocity: 3,112
Max Pressure: 63,900
 
Compressed
Barrel: 24" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/30/2024:
https://www.shootersreference.com/reloadingdata/300-wsm-winchester-short-magnum/