Bullet: 55 gr
TNT HP
(Speer)
Diameter: 0.224"
Powder: 748 (Winchester)
Starting Powder: 29.5 gr
Max Powder: 33.5 gr
Primer: CCI 250 Mag
Case: WIN
Trim Length: 1.920"
Cartridge Overall Length: 2.500"
Starting Velocity: 3,036
Starting Pressure:
Max Velocity: 3,424
Max Pressure:
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/225-winchester-with-55-grspitzer-sppdf.pdf
Printed from Shooter's Reference on 11/21/2024: