Bullet: 158 gr
JSP
(Speer)
Diameter: 0.357"
Powder: 296 (Winchester)
Starting Powder: 13.2 gr
Max Powder: 14.7 gr
Primer: CCI 550 Mag
Case: Speer
Trim Length:
Cartridge Overall Length: 1.570"
Starting Velocity: 1,089
Starting Pressure:
Max Velocity: 1,185
Max Pressure:
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/handgun/357_Magnum_158_TMJ_FN.pdf
Printed from Shooter's Reference on 05/06/2024: