Bullet: 120 gr
SP
(Swift)
Diameter: 0.257"
Powder: Supreme 780 (Winchester)
Starting Powder: 49.8 gr
Max Powder: 53.0 gr
Primer: REM 9½
Case: REM
Trim Length: 2.484"
Cartridge Overall Length: 3.150"
Starting Velocity: 2,821
Starting Pressure: 44,600
Max Velocity: 2,984
Max Pressure: 50,000 CUP
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 02/01/2025: