Bullet: 129 gr
SP
(HDY)
Diameter: 0.264"
Powder: Supreme 780 (Winchester)
Starting Powder: 63.0 gr
Max Powder: 67.0 gr
Primer: WIN WLRM
Case: WIN
Trim Length: 2.490"
Cartridge Overall Length: 3.250"
Starting Velocity: 3,140
Starting Pressure: 55,000
Max Velocity: 3,269
Max Pressure: 59,500
Barrel: 26" with 1:8" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 11/21/2024: