Bullet: 150 gr
GSSP
(Speer)
Diameter: 0.308"
Powder: Supreme 780 (Winchester)
Starting Powder: 69.6 gr
Max Powder: 74.0 gr
Primer: WIN WLRM
Case: WIN
Trim Length: 2.090"
Cartridge Overall Length: 2.780"
Starting Velocity: 2,940
Starting Pressure: 48,900
Max Velocity: 3,134
Max Pressure: 59,200
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 04/27/2024: