Bullet: 150 gr
SPFN Hot-Cor
(Speer)
Diameter: 0.308"
Powder: 748 (Winchester)
Starting Powder: 41.0 gr
Max Powder: 45.0 gr
Primer: CCI 250 Mag
Case: WIN
Trim Length:
Cartridge Overall Length: 2.530"
Starting Velocity: 2,501
Starting Pressure:
Max Velocity: 2,662
Max Pressure:
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/307_Winchester_150.pdf
Printed from Shooter's Reference on 11/21/2024: