Bullet: 40 gr
Spire SP
(Speer)
Diameter: 0.224"
Powder: IMR 4064 (Improved Military Rifle)
Starting Powder: 30.5 gr
Max Powder: 34.5 gr
Primer: CCI 200
Case: WIN
Trim Length: 1.920"
Cartridge Overall Length: 2.370"
Starting Velocity: 3,344
Starting Pressure:
Max Velocity: 3,791
Max Pressure:
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/225-winchester-with-40-gr-spire-sppdf.pdf
Printed from Shooter's Reference on 12/03/2024: