Bullet: 140 gr
SP
(Swift)
Diameter: 0.277"
Powder: Grand (Ramshot)
Starting Powder: 70.8 gr
Max Powder: 73.8 gr
Primer: WIN WLRM
Case: WIN
Trim Length: 2.090"
Cartridge Overall Length: 2.800"
Starting Velocity: 3,087
Starting Pressure: 55,400
Max Velocity: 3,235
Max Pressure: 63,100
Compressed
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 07/27/2025: