Load Data for .300 WSM (Winchester Short Magnum)


 
Bullet: 220 gr RN  (HDY)
Diameter: 0.308"
 
Powder: IMR 7977 (Improved Military Rifle)
Starting Powder: 65.2 gr
Max Powder: 70.2 gr
 
Primer: WIN WLRM
 
Case: WIN
Trim Length: 2.090"
 
Cartridge Overall Length: 2.830"
 
Starting Velocity: 2,517
Starting Pressure: 53,200
Max Velocity: 2,704
Max Pressure: 63,600
 
Barrel: 24" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 11/21/2024:
https://www.shootersreference.com/reloadingdata/300-wsm-winchester-short-magnum/