Load Data for .357 Herrett


 
Bullet: 125 gr JHP  (HDY)
Diameter: 0.357"
 
Powder: IMR 4227 (Improved Military Rifle)
Starting Powder:  
Max Powder: 22.3 gr
 
Primer: FED 210
 
Case: WIN
Trim Length: 1.740"
 
Cartridge Overall Length: 2.080"
 
Starting Velocity:  
Starting Pressure:  
Max Velocity: 2,070
Max Pressure: 44,900 CUP
 
Case reformed from parent case
Barrel: 14" with 1:14" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 04/30/2024:
https://www.shootersreference.com/reloadingdata/357-herrett/