Bullet: 275 gr
SP
(Speer)
Diameter: 0.338"
Powder: Supreme 780 (Winchester)
Starting Powder: 67.7 gr
Max Powder: 72.0 gr
Primer: WIN WLRM
Case: WIN
Trim Length: 2.490"
Cartridge Overall Length: 3.340"
Starting Velocity: 2,396
Starting Pressure: 42,900
Max Velocity: 2,546
Max Pressure: 51,000 CUP
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 11/21/2024: