Bullet: 55 gr
TNT HP
(Speer)
Diameter: 0.224"
Powder: 760 (Winchester)
Starting Powder: 36.5 gr
Max Powder: 40.5 gr
Primer: CCI 250 Mag
Case: WIN
Trim Length: 2.195"
Cartridge Overall Length: 2.680"
Starting Velocity: 3,116
Starting Pressure:
Max Velocity: 3,468
Max Pressure:
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/220-swift-with-55-gr-spitzer-sppdf.pdf
Printed from Shooter's Reference on 12/21/2024: