Bullet: 180 gr
SPBT
(Sierra)
Diameter: 0.308"
Powder: IMR 7977 (Improved Military Rifle)
Starting Powder: 74.0 gr
Max Powder: 81.0 gr
Primer: WIN WLRM
Case: NOS
Trim Length: 2.556"
Cartridge Overall Length: 3.340"
Starting Velocity: 2,840
Starting Pressure: 51,400
Max Velocity: 3,077
Max Pressure: 63,700
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 12/26/2024: