Bullet: 158 gr
JSP
(Speer)
Diameter: 0.357"
Powder: IMR 4227 (Improved Military Rifle)
Starting Powder: 15.0 gr
Max Powder: 17.0 gr
Primer: CCI 500
Case: Speer
Trim Length:
Cartridge Overall Length: 1.570"
Starting Velocity: 1,003
Starting Pressure:
Max Velocity: 1,126
Max Pressure:
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/handgun/357_Magnum_158_TMJ_FN.pdf
Printed from Shooter's Reference on 12/30/2024: