Bullet: 140 gr
SP
(Swift)
Diameter: 0.277"
Powder: IMR 7977 (Improved Military Rifle)
Starting Powder: 67.1 gr
Max Powder: 71.4 gr
Primer: WIN WLRM
Case: WIN
Trim Length: 2.090"
Cartridge Overall Length: 2.800"
Starting Velocity: 2,928
Starting Pressure: 52,600
Max Velocity: 3,148
Max Pressure: 62,600
Compressed
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 12/03/2024: