Bullet: 40 gr
Spire SP
(Speer)
Diameter: 0.224"
Powder: IMR 4451 (Improved Military Rifle)
Starting Powder: 41.5 gr
Max Powder: 44.5 gr
Primer: CCI 200
Case: HDY
Trim Length: 2.195"
Cartridge Overall Length: 2.625"
Starting Velocity: 3,705
Starting Pressure:
Max Velocity: 3,973
Max Pressure:
Compressed
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/220-swift-with-40-gr-spire-sppdf.pdf
Printed from Shooter's Reference on 05/04/2024: