Load Data for .270 WSM (Winchester Short Magnum)


 
Bullet: 110 gr HP  (HDY)
Diameter: 0.277"
 
Powder: IMR 4955 (Improved Military Rifle)
Starting Powder: 65.8 gr
Max Powder: 70.0 gr
 
Primer: WIN WLRM
 
Case: WIN
Trim Length: 2.090"
 
Cartridge Overall Length: 2.800"
 
Starting Velocity: 3,166
Starting Pressure: 50,500
Max Velocity: 3,470
Max Pressure: 63,600
 
Barrel: 24" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/21/2024:
https://www.shootersreference.com/reloadingdata/270-wsm-winchester-short-magnum/