Load Data for .357 Maximum


 
Bullet: 140 gr JHP  (Sierra)
Diameter: 0.357"
 
Powder: IMR 4227 (Improved Military Rifle)
Starting Powder: 21.0 gr
Max Powder: 23.0 gr
 
Primer: REM 7½
 
Case: Starline Brass
Trim Length: 1.600"
 
Cartridge Overall Length: 1.940"
 
Starting Velocity: 1,547
Starting Pressure: 32,500
Max Velocity: 1,735
Max Pressure: 40,400 CUP
 
Compressed
Barrel: 10" with 1:18.75" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/30/2024:
https://www.shootersreference.com/reloadingdata/357-maximum/