Bullet: 255 gr
RNFP
(Montana Bullet Works)
Diameter: 0.377"
Powder: IMR 8208 XBR (Improved Military Rifle)
Starting Powder: 29.1 gr
Max Powder: 32.3 gr
Primer: WIN WLR
Case: Starline Brass
Trim Length: 2.075"
Cartridge Overall Length: 2.492"
Starting Velocity: 1,664
Starting Pressure: 29,300
Max Velocity: 1,797
Max Pressure: 33,300
Barrel: 24" with 1:18" twist.
Source: https://www.hodgdonreloading.com/
Printed from Shooter's Reference on 01/21/2025: