Load Data for .300 WSM (Winchester Short Magnum)


 
Bullet: 190 gr HPBT  (Sierra)
Diameter: 0.308"
 
Powder: 760 (Winchester)
Starting Powder: 59.0 gr
Max Powder: 62.5 gr
 
Primer: WIN WLRM
 
Case: WIN
Trim Length: 2.090"
 
Cartridge Overall Length: 2.860"
 
Starting Velocity: 2,765
Starting Pressure: 55,600
Max Velocity: 2,896
Max Pressure: 63,800
 
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/