Bullet: 55 gr
SP
(Speer)
Diameter: 0.224"
Powder: IMR 4320 (Improved Military Rifle)
Starting Powder: 21.5 gr
Max Powder: 24.0 gr
Primer: WIN WSR
Case: WIN
Trim Length: 1.690"
Cartridge Overall Length: 2.130"
Starting Velocity: 2,647
Starting Pressure: 34,500
Max Velocity: 2,961
Max Pressure: 46,000
Compressed
Barrel: 24" with 1:14" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 12/21/2024: