Bullet: 43 gr
TNT Green
(Speer)
Diameter: 0.224"
Powder: IMR 4451 (Improved Military Rifle)
Starting Powder: 40.1 gr
Max Powder: 44.5 gr
Primer: CCI 200
Case: HDY
Trim Length: 2.195"
Cartridge Overall Length: 2.650"
Starting Velocity: 3,680
Starting Pressure:
Max Velocity: 4,037
Max Pressure:
Compressed
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/220-swift-with-43-gr-tnt-greenpdf.pdf
Printed from Shooter's Reference on 02/04/2025: