Bullet: 90 gr
TNT HP
(Speer)
Diameter: 0.277"
Powder: 760 (Winchester)
Starting Powder: 53.0 gr
Max Powder: 59.0 gr
Primer: CCI 250 Mag
Case: WIN
Trim Length: 2.530"
Cartridge Overall Length: 3.170"
Starting Velocity: 3,356
Starting Pressure:
Max Velocity: 3,579
Max Pressure:
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/270-winchester-with-90-gr-tnt-hppdf.pdf
Printed from Shooter's Reference on 12/21/2024: