Bullet: 400 gr
SPFN
(Speer)
Diameter: 0.458"
Powder: IMR 8208 XBR (Improved Military Rifle)
Starting Powder: 50.5 gr
Max Powder: 54.5 gr
Primer: CCI 200
Case: WIN
Trim Length: 2.095"
Cartridge Overall Length: 2.540"
Starting Velocity: 1,610
Starting Pressure:
Max Velocity: 1,791
Max Pressure:
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/45-70-government-lever-actions-with-400-gr-spfnpdf.pdf
Printed from Shooter's Reference on 11/23/2024: