Load Data for .458 Winchester Magnum


 
Bullet: 500 gr DGS  (HDY)
Diameter: 0.458"
 
Powder: H4198 (Hodgdon)
Starting Powder: 53.0 gr
Max Powder: 58.5 gr
 
Primer: CCI 250 Mag
 
Case: WIN
Trim Length: 2.490"
 
Cartridge Overall Length: 3.310"
 
Starting Velocity: 1,887
Starting Pressure: 48,700
Max Velocity: 1,987
Max Pressure: 51,100 CUP
 
Barrel: 24" with 1:14" twist.
 
Source: https://www.hodgdonreloading.com/
 

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