Bullet: 170 gr
SPFN Hot-Cor
(Speer)
Diameter: 0.308"
Powder: IMR 3031 (Improved Military Rifle)
Starting Powder: 36.0 gr
Max Powder: 40.0 gr
Primer: CCI 200
Case: WIN
Trim Length:
Cartridge Overall Length: 2.530"
Starting Velocity: 2,128
Starting Pressure:
Max Velocity: 2,413
Max Pressure:
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/307_Winchester_170.pdf
Printed from Shooter's Reference on 12/30/2024: