Load Data for .458 Socom


 
Bullet: 350 gr AF  (Swift)
Diameter: 0.458"
 
Powder: IMR 4198 (Improved Military Rifle)
Starting Powder: 31.3 gr
Max Powder: 34.0 gr
 
Primer: WIN WLP
 
Case: Starline Brass
Trim Length: 1.575"
 
Cartridge Overall Length: 2.050"
 
Starting Velocity: 1,391
Starting Pressure: 24,800
Max Velocity: 1,576
Max Pressure: 38,700 CUP
 
Barrel: 16" with 1:14" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/21/2024:
https://www.shootersreference.com/reloadingdata/458-socom/