Load Data for .357 Maximum


 
Bullet: 158 gr JHC  (Sierra)
Diameter: 0.357"
 
Powder: IMR 4227 (Improved Military Rifle)
Starting Powder: 19.5 gr
Max Powder: 22.5 gr
 
Primer: REM 7½
 
Case: Starline Brass
Trim Length: 1.600"
 
Cartridge Overall Length: 1.940"
 
Starting Velocity: 1,470
Starting Pressure: 33,300
Max Velocity: 1,749
Max Pressure: 45,800 CUP
 
Compressed
Barrel: 10" with 1:18.75" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 11/08/2024:
https://www.shootersreference.com/reloadingdata/357-maximum/