Bullet: 139 gr
GMX
(HDY)
Diameter: 0.284"
Powder: Supreme 780 (Winchester)
Starting Powder: 65.0 gr
Max Powder: 70.5 gr
Primer: WIN WLRM
Case: WIN
Trim Length: 2.490"
Cartridge Overall Length: 3.290"
Starting Velocity: 2,934
Starting Pressure: 48,300
Max Velocity: 3,200
Max Pressure: 58,500
Barrel: 24" with 1:9.5" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 11/21/2024: