Load Data for .458 Socom


 
Bullet: 250 gr TSX-FN  (Barnes)
Diameter: 0.458"
 
Powder: IMR 4227 (Improved Military Rifle)
Starting Powder: 29.6 gr
Max Powder: 34.5 gr
 
Primer: WIN WLP
 
Case: Starline Brass
Trim Length: 1.575"
 
Cartridge Overall Length: 2.125"
 
Starting Velocity: 1,538
Starting Pressure: 26,300
Max Velocity: 1,783
Max Pressure: 38,900 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/