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


 
Bullet: 55 gr TNT HP  (Speer)
Diameter: 0.224"
 
Powder: Reloder 15 (Alliant Powder)
Starting Powder: 40.5 gr
Max Powder: 42.5 gr
 
Primer: FED 210
 
Case: WIN
Trim Length: 1.660"
 
Cartridge Overall Length: 2.210"
 
Starting Velocity: 3,703
Starting Pressure:  
Max Velocity: 3,867
Max Pressure:  
 
 
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/223-winchester-super-short-magnum-with-55-gr-spitzer-sppdf.pdf
 

Printed from Shooter's Reference on 12/30/2024:
https://www.shootersreference.com/reloadingdata/223-wssm-winchester-super-short-magnum/