Load Data for .223 WSSM (Winchester Super Short Magnum)

 
Bullet: 69 gr HPBT  (Sierra)
Diameter: 0.224"
 
Powder: IMR 7828 (Improved Military Rifle)
Starting Powder: 45.0 gr
Max Powder: 47.8 gr
 
Primer: WIN WLR
 
Case: WIN
Trim Length: 1.660"
 
Cartridge Overall Length: 2.230"
 
Starting Velocity: 3,214
Starting Pressure: 52,200
Max Velocity: 3,464
Max Pressure: 62,300
 
Compressed
Compressed load will not fit with standard 7828
Barrel: 24" with 1:8" twist.
 
Source: https://www.hodgdonreloading.com/
 
Printed from Shooter's Reference on 12/30/2024:
https://www.shootersreference.com/reloadingdata/223-wssm-winchester-super-short-magnum/