Bullet: 90 gr
TNT HP
(Speer)
Diameter: 0.277"
Powder: Reloder 19 (Alliant Powder)
Starting Powder: 60.0 gr
Max Powder: 64.0 gr
Primer: CCI 200
Case: WIN
Trim Length: 2.530"
Cartridge Overall Length: 3.170"
Starting Velocity: 3,090
Starting Pressure:
Max Velocity: 3,398
Max Pressure:
Compressed
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/270-winchester-with-90-gr-tnt-hppdf.pdf
Printed from Shooter's Reference on 01/21/2025: