Bullet: 275 gr
AF
(Swift)
Diameter: 0.338"
Powder: IMR 7977 (Improved Military Rifle)
Starting Powder: 70.8 gr
Max Powder: 75.0 gr
Primer: WIN WLRM
Case: NOS
Trim Length: 2.440"
Cartridge Overall Length: 3.280"
Starting Velocity: 2,418
Starting Pressure: 53,200
Max Velocity: 2,558
Max Pressure: 61,600
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 11/21/2024: