Bullet: 330 gr
Banded Solids
(Barnes)
Diameter: 0.458"
Powder: IMR 4227 (Improved Military Rifle)
Starting Powder: 32.0 gr
Max Powder: 34.0 gr
Primer: REM 2½
Case: Starline Brass
Trim Length: 1.565"
Cartridge Overall Length: 2.240"
Starting Velocity: 1,598
Starting Pressure:
Max Velocity: 1,739
Max Pressure:
Barrel: 16" with 1:9" twist.
Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/458-Socom.pdf
Printed from Shooter's Reference on 12/21/2024: