Bullet: 150 gr
SP
(HDY)
Diameter: 0.277"
Powder: Grand (Ramshot)
Starting Powder: 57.0 gr
Max Powder: 61.6 gr
Primer: WIN WLR
Case: WIN
Trim Length: 2.530"
Cartridge Overall Length: 3.285"
Starting Velocity: 2,745
Starting Pressure: 50,900
Max Velocity: 2,954
Max Pressure: 60,800
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 07/27/2025: