Bullet: 55 gr
B-TIP
(NOS)
Diameter: 0.243"
Powder: IMR 4166 (Improved Military Rifle)
Starting Powder: 36.8 gr
Max Powder: 40.9 gr
Primer: WIN WSR
Case: Alpha Munitions
Trim Length: 1.720"
Cartridge Overall Length: 2.300"
Starting Velocity: 3,433
Starting Pressure: 44,400
Max Velocity: 3,790
Max Pressure: 56,000
Barrel: 24" with 1:7.5" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 01/31/2025: