Bullet: 140 gr
SP
(Swift)
Diameter: 0.277"
Powder: StaBALL 6.5 (Winchester)
Starting Powder: 50.3 gr
Max Powder: 54.7 gr
Primer: WIN WLR
Case: WIN
Trim Length: 2.530"
Cartridge Overall Length: 3.280"
Starting Velocity: 2,809
Starting Pressure: 50,200
Max Velocity: 3,033
Max Pressure: 62,300
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 01/21/2025: