Load Data for .300 WSM (Winchester Short Magnum)


 
Bullet: 220 gr RN  (HDY)
Diameter: 0.308"
 
Powder: Supreme 780 (Winchester)
Starting Powder: 63.4 gr
Max Powder: 67.5 gr
 
Primer: WIN WLRM
 
Case: WIN
Trim Length: 2.090"
 
Cartridge Overall Length: 2.830"
 
Starting Velocity: 2,587
Starting Pressure: 53,100
Max Velocity: 2,735
Max Pressure: 62,900
 
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/