Bullet: 140 gr
SP
(Swift)
Diameter: 0.277"
Powder: IMR 4955 (Improved Military Rifle)
Starting Powder: 61.7 gr
Max Powder: 65.7 gr
Primer: WIN WLRM
Case: WIN
Trim Length: 2.090"
Cartridge Overall Length: 2.800"
Starting Velocity: 2,895
Starting Pressure: 53,300
Max Velocity: 3,116
Max Pressure: 63,800
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 11/21/2024: