Bullet: 139 gr
SP
(HDY)
Diameter: 0.284"
Powder: IMR 4320 (Improved Military Rifle)
Starting Powder: 40.7 gr
Max Powder: 43.3 gr
Primer: REM 9½
Case: REM
Trim Length: 2.025"
Cartridge Overall Length: 2.800"
Starting Velocity: 2,643
Starting Pressure: 43,700
Max Velocity: 2,772
Max Pressure: 49,200 CUP
Barrel: 24" with 1:9.5" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 02/22/2025: