Load Data for .300 WSM (Winchester Short Magnum)


 
Bullet: 165 gr GMX  (HDY)
Diameter: 0.308"
 
Powder: H380 (Hodgdon)
Starting Powder: 57.0 gr
Max Powder: 61.8 gr
 
Primer: WIN WLRM
 
Case: WIN
Trim Length: 2.090"
 
Cartridge Overall Length: 2.840"
 
Starting Velocity: 2,800
Starting Pressure: 52,500
Max Velocity: 2,993
Max Pressure: 62,300
 
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/