Bullet: 260 gr
PRO-HUNTER
(Sierra)
Diameter: 0.451"
Powder: IMR 4227 (Improved Military Rifle)
Starting Powder: 37.8 gr
Max Powder: 41.5 gr
Primer: WIN WSR
Case: HDY
Trim Length: 1.690"
Cartridge Overall Length: 2.050"
Starting Velocity: 1,977
Starting Pressure: 27,400
Max Velocity: 2,192
Max Pressure: 37,500
Compressed
Barrel: 24" with 1:24" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 07/21/2025: