Bullet: 150 gr
Grand Slam SP
(Speer)
Diameter: 0.277"
Powder: IMR 7828 (Improved Military Rifle)
Starting Powder: 58.0 gr
Max Powder: 62.0 gr
Primer: CCI 200
Case: WIN
Trim Length: 2.090"
Cartridge Overall Length: 2.700"
Starting Velocity: 2,796
Starting Pressure:
Max Velocity: 3,011
Max Pressure:
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/270-winchester-short-magnum-with-150-gr-spitzer-btsppdf.pdf
Printed from Shooter's Reference on 11/21/2024: