Bullet: 140 gr
COWBOY
(HDY)
Diameter: 0.358"
Powder: 244 (Winchester)
Starting Powder: 4.2 gr
Max Powder: 4.9 gr
Primer: WIN WSP
Case: WIN
Trim Length: 1.145"
Cartridge Overall Length: 1.450"
Starting Velocity: 955
Starting Pressure: 13,600
Max Velocity: 1,072
Max Pressure: 16,800
Barrel: 7.7" with 1:18.75" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 11/21/2024: