Bullet: 270 gr
SP
(HDY)
Diameter: 0.375"
Powder: StaBALL 6.5 (Winchester)
Starting Powder: 78.5 gr
Max Powder: 84.0 gr
Primer: WIN WLRM
Case: HDY
Trim Length: 2.580"
Cartridge Overall Length: 3.310"
Starting Velocity: 2,680
Starting Pressure: 49,800
Max Velocity: 2,860
Max Pressure: 60,000
Barrel: 24" with 1:12" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 12/21/2024: