Bullet: 180 gr
GDHP
(Speer)
Diameter: 0.400"
Powder: IMR 4227 (Improved Military Rifle)
Starting Powder: 31.0 gr
Max Powder: 34.0 gr
Primer: WIN WSR
Case: WIN
Trim Length: 1.640"
Cartridge Overall Length: 2.050"
Starting Velocity: 2,088
Starting Pressure: 34,500
Max Velocity: 2,316
Max Pressure: 43,900
Compressed
Barrel: 20" with 1:16" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 05/19/2024: