Load Data for .270 WSM (Winchester Short Magnum)


 
Bullet: 140 gr SP  (Swift)
Diameter: 0.277"
 
Powder: StaBALL 6.5 (Winchester)
Starting Powder: 62.0 gr
Max Powder: 66.2 gr
 
Primer: WIN WLRM
 
Case: WIN
Trim Length: 2.090"
 
Cartridge Overall Length: 2.800"
 
Starting Velocity: 2,947
Starting Pressure: 52,600
Max Velocity: 3,144
Max Pressure: 62,700
 
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/