Bullet: 150 gr
SPBT
(Sierra)
Diameter: 0.308"
Powder: IMR 7977 (Improved Military Rifle)
Starting Powder: 77.2 gr
Max Powder: 84.7 gr
Primer: WIN WLRM
Case: NOS
Trim Length: 2.556"
Cartridge Overall Length: 3.340"
Starting Velocity: 3,035
Starting Pressure: 50,300
Max Velocity: 3,322
Max Pressure: 63,000
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 12/21/2024: