Load Data for 7 mm WSM (Winchester Short Magnum)


 
Bullet: 145 gr LRX  (Barnes)
Diameter: 0.284"
 
Powder: IMR 7828 SSC (Improved Military Rifle)
Starting Powder: 57.0 gr
Max Powder: 63.3 gr
 
Primer: FED 215
 
Case: WIN
Trim Length: 2.090"
 
Cartridge Overall Length: 2.860"
 
Starting Velocity: 2,779
Starting Pressure:  
Max Velocity: 3,040
Max Pressure:  
 
Barrel: 24" with 1:9.5" twist.
 
Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/7mmWSM.pdf
 

Printed from Shooter's Reference on 11/21/2024:
https://www.shootersreference.com/reloadingdata/7-mm-wsm-winchester-short-magnum/