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: