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


 
Bullet: 85 gr Spitzer BTSP  (Speer)
Diameter: 0.243"
 
Powder: IMR 4350 (Improved Military Rifle)
Starting Powder: 41.0 gr
Max Powder: 43.0 gr
 
Primer: FED 210
 
Case: WIN
Trim Length: 1.660"
 
Cartridge Overall Length: 2.255"
 
Starting Velocity: 3,145
Starting Pressure:  
Max Velocity: 3,252
Max Pressure:  
 
 
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/243-winchester-super-short-magnum-with-85-gr-spitzer-btsppdf.pdf
 

Printed from Shooter's Reference on 12/21/2024:
https://www.shootersreference.com/reloadingdata/243-wssm-winchester-super-short-magnum/