Bullet: 40 gr
Spire SP
(Speer)
Diameter: 0.224"
Powder: SR 4759 (Improved Military Rifle)
Starting Powder: 10.5 gr
Max Powder: 12.5 gr
Primer: CCI 200
Case: WIN
Trim Length: 2.195"
Cartridge Overall Length: 2.625"
Starting Velocity: 1,662
Starting Pressure:
Max Velocity: 1,964
Max Pressure:
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/220-swift-with-40-gr-spire-sppdf.pdf
Printed from Shooter's Reference on 02/04/2025: