Load Data for 7 mm WSM (Winchester Short Magnum)


 
Bullet: 140 gr PART  (NOS)
Diameter: 0.284"
 
Powder: IMR 7828 (Improved Military Rifle)
Starting Powder: 64.0 gr
Max Powder: 68.2 gr
 
Primer: WIN WLRM
 
Case: WIN
Trim Length: 2.096"
 
Cartridge Overall Length: 2.850"
 
Starting Velocity: 2,997
Starting Pressure: 55,700
Max Velocity: 3,155
Max Pressure: 63,000
 
Barrel: 24" with 1:9.5" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/30/2024:
https://www.shootersreference.com/reloadingdata/7-mm-wsm-winchester-short-magnum/