+P
Bullet: 100 gr
Spitzer SP Hot-Cor
(Speer)
Diameter: 0.257"
Powder: IMR 7828 (Improved Military Rifle)
Starting Powder: 47.0 gr
Max Powder: 51.0 gr
Primer: CCI 200
Case: WIN
Trim Length: 2.223"
Cartridge Overall Length: 2.770"
Starting Velocity: 2,711
Starting Pressure:
Max Velocity: 3,023
Max Pressure:
Compressed
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/257-roberts-p-with-100-gr-hppdf.pdf
Printed from Shooter's Reference on 11/21/2024: