Load Data for .45 - 70 Government

 
Bullet: 400 gr SPFN  (Speer)
Diameter: 0.458"
 
Powder: IMR 4166 (Improved Military Rifle)
Starting Powder: 37.0 gr
Max Powder: 41.4 gr
 
Primer: CCI 200
 
Case: WIN
Trim Length: 2.095"
 
Cartridge Overall Length: 2.540"
 
Starting Velocity: 1,202
Starting Pressure:  
Max Velocity: 1,379
Max Pressure:  
 
 
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/45-70-government-trap-door-actions-with-400-gr-spfnpdf.pdf
 
Printed from Shooter's Reference on 11/21/2024:
https://www.shootersreference.com/reloadingdata/45-70-government/