Load Data for .458 Socom


 
Bullet: 325 gr FTX  (HDY)
Diameter: 0.458"
 
Powder: IMR 4227 (Improved Military Rifle)
Starting Powder: 27.7 gr
Max Powder: 32.1 gr
 
Primer: WIN WLP
 
Case: Starline Brass
Trim Length: 1.575"
 
Cartridge Overall Length: 2.185"
 
Starting Velocity: 1,404
Starting Pressure: 26,100
Max Velocity: 1,622
Max Pressure: 40,000 CUP
 
Barrel: 16" with 1:14" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 05/04/2024:
https://www.shootersreference.com/reloadingdata/458-socom/