Load Data for 7 mm WSM (Winchester Short Magnum)


 
Bullet: 140 gr PART  (NOS)
Diameter: 0.284"
 
Powder: Supreme 780 (Winchester)
Starting Powder: 67.4 gr
Max Powder: 71.7 gr
 
Primer: WIN WLRM
 
Case: WIN
Trim Length: 2.096"
 
Cartridge Overall Length: 2.850"
 
Starting Velocity: 2,962
Starting Pressure: 51,500
Max Velocity: 3,160
Max Pressure: 59,900
 
Barrel: 24" with 1:9.5" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/21/2024:
https://www.shootersreference.com/reloadingdata/7-mm-wsm-winchester-short-magnum/