Bullet: 55 gr
BT
(NOS)
Diameter: 0.224"
Powder: IMR 4831 (Improved Military Rifle)
Starting Powder: 42.0 gr
Max Powder: 45.0 gr
Primer: WIN WLR
Case: Alpha Munitions
Trim Length: 1.910"
Cartridge Overall Length: 2.570"
Starting Velocity: 3,505
Starting Pressure: 49,700
Max Velocity: 3,784
Max Pressure: 61,300
Barrel: 24" with 1:7" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 08/23/2025: