Bullet: 171 gr
Match Burner
(Barnes)
Diameter: 0.284"
Powder: IMR 7828 SSC (Improved Military Rifle)
Starting Powder: 50.5 gr
Max Powder: 56.1 gr
Primer: FED 210
Case: NOS
Trim Length: 2.525"
Cartridge Overall Length: 3.330"
Starting Velocity: 2,554
Starting Pressure:
Max Velocity: 2,821
Max Pressure:
Barrel: 24" with 1:9" twist.
Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/280-Ackley-Improved.pdf
Printed from Shooter's Reference on 12/21/2024: