Bullet: 100 gr
HP
(Speer)
Diameter: 0.277"
Powder: SR 4759 (Improved Military Rifle)
Starting Powder: 16.0 gr
Max Powder: 20.0 gr
Primer: CCI 200
Case: WIN
Trim Length: 2.530"
Cartridge Overall Length: 3.100"
Starting Velocity: 1,545
Starting Pressure:
Max Velocity: 1,923
Max Pressure:
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/270-winchester-with-100-gr-hppdf.pdf
Printed from Shooter's Reference on 01/21/2025: