Bullet: 129 gr
BT
(Barnes)
Diameter: 0.277"
Powder: Grand (Ramshot)
Starting Powder: 77.0 gr
Max Powder: 85.2 gr
Primer: WIN WLRM
Case: NOS
Trim Length: 2.575"
Cartridge Overall Length: 3.340"
Starting Velocity: 3,233
Starting Pressure: 50,200
Max Velocity: 3,533
Max Pressure: 63,000
Barrel: 24" with 1:10" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 07/21/2025: