Bullet: 140 gr
SP
(Swift)
Diameter: 0.277"
Powder: 760 (Winchester)
Starting Powder: 55.0 gr
Max Powder: 58.0 gr
Primer: WIN WLRM
Case: WIN
Trim Length: 2.090"
Cartridge Overall Length: 2.800"
Starting Velocity: 2,932
Starting Pressure: 53,700
Max Velocity: 3,068
Max Pressure: 62,600
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 11/21/2024: