Bullet: 270 gr
SP
(HDY)
Diameter: 0.375"
Powder: IMR 4451 (Improved Military Rifle)
Starting Powder: 78.1 gr
Max Powder: 84.0 gr
Primer: WIN WLRM
Case: HDY
Trim Length: 2.580"
Cartridge Overall Length: 3.310"
Starting Velocity: 2,613
Starting Pressure: 49,000
Max Velocity: 2,802
Max Pressure: 59,600
Barrel: 24" with 1:12" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 12/21/2024: