Bullet: 150 gr
HPBT
(Sierra)
Diameter: 0.264"
Powder: IMR 7977 (Improved Military Rifle)
Starting Powder: 58.5 gr
Max Powder: 63.2 gr
Primer: FED 215m
Case: Weatherby
Trim Length: 2.560"
Cartridge Overall Length: 3.330"
Starting Velocity: 2,809
Starting Pressure: 51,900
Max Velocity: 2,997
Max Pressure: 62,200
Barrel: 26" with 1:8" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 03/12/2025: