Load Data for .300 WSM (Winchester Short Magnum)

 
Bullet: 150 gr TSX  (Barnes)
Diameter: 0.308"
 
Powder: Reloder 15 (Alliant Powder)
Starting Powder: 57.0 gr
Max Powder: 63.3 gr
 
Primer: REM 9½M
 
Case: REM
Trim Length: 2.090"
 
Cartridge Overall Length: 2.860"
 
Starting Velocity: 2,951
Starting Pressure:  
Max Velocity: 3,273
Max Pressure:  
 
Barrel: 24" with 1:10" twist.
 
Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/300-Win-Short-Mag.pdf
 
Printed from Shooter's Reference on 11/21/2024:
https://www.shootersreference.com/reloadingdata/300-wsm-winchester-short-magnum/