Bullet: 146 gr
JHP
(Speer)
Diameter: 0.357"
Powder: 231 (Winchester)
Starting Powder: 6.0 gr
Max Powder: 7.1 gr
Primer: WIN WSPM
Case: WIN
Trim Length: 1.285"
Cartridge Overall Length: 1.535"
Starting Velocity: 1,176
Starting Pressure: 32,100
Max Velocity: 1,330
Max Pressure: 42,200 CUP
Barrel: 10" with 1:18.75" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 04/27/2024: