Bullet: 270 gr
SP
(HDY)
Diameter: 0.375"
Powder: Supreme 780 (Winchester)
Starting Powder: 85.1 gr
Max Powder: 90.5 gr
Primer: WIN WLRM
Case: HDY
Trim Length: 2.580"
Cartridge Overall Length: 3.310"
Starting Velocity: 2,627
Starting Pressure: 52,600
Max Velocity: 2,745
Max Pressure: 59,800
Barrel: 24" with 1:12" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 05/01/2024: