Bullet: 140 gr
SP
(Swift)
Diameter: 0.277"
Powder: 760 (Winchester)
Starting Powder: 46.0 gr
Max Powder: 48.9 gr
Primer: WIN WLR
Case: WIN
Trim Length: 2.530"
Cartridge Overall Length: 3.280"
Starting Velocity: 2,644
Starting Pressure: 42,900
Max Velocity: 2,788
Max Pressure: 49,800 CUP
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 05/19/2024: