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

 
Bullet: 55 gr Spitzer SP  (Speer)
Diameter: 0.224"
 
Powder: N560 (VihtaVuori)
Starting Powder: 49.0 gr
Max Powder: 51.0 gr
 
Primer: FED 210
 
Case: WIN
Trim Length: 1.660"
 
Cartridge Overall Length: 2.210"
 
Starting Velocity: 3,558
Starting Pressure:  
Max Velocity: 3,717
Max Pressure:  
 
Compressed
 
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 12/21/2024:
https://www.shootersreference.com/reloadingdata/223-wssm-winchester-super-short-magnum/