Bullet: 280 gr
JHP
(Swift)
Diameter: 0.430"
Powder: IMR 4227 (Improved Military Rifle)
Starting Powder: 20.0 gr
Max Powder: 22.0 gr
Primer: REM 2½
Case: WIN
Trim Length: 1.280"
Cartridge Overall Length: 1.700"
Starting Velocity: 1,215
Starting Pressure: 27,600
Max Velocity: 1,373
Max Pressure: 37,800 CUP
Barrel: 8.275" with 1:20" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 05/03/2024: