Bullet: 70 gr
TNT HP
(Speer)
Diameter: 0.243"
Powder: 760 (Winchester)
Starting Powder: 45.5 gr
Max Powder: 47.5 gr
Primer: FED 215
Case: WIN
Trim Length: 1.660"
Cartridge Overall Length: 2.250"
Starting Velocity: 3,409
Starting Pressure:
Max Velocity: 3,531
Max Pressure:
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/243-winchester-super-short-magnum-with-70-gr-tnt-hppdf.pdf
Printed from Shooter's Reference on 12/21/2024: