Load Data for .243 WSSM (Winchester Super Short Magnum)


 
Bullet: 90 gr SCIR  (Swift)
Diameter: 0.243"
 
Powder: IMR 4831 (Improved Military Rifle)
Starting Powder: 43.0 gr
Max Powder: 46.0 gr
 
Primer: WIN WLR
 
Case: WIN
Trim Length: 1.660"
 
Cartridge Overall Length: 2.300"
 
Starting Velocity: 3,089
Starting Pressure: 55,400
Max Velocity: 3,255
Max Pressure: 62,800
 
Compressed
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/243-wssm-winchester-super-short-magnum/