Load Data for .280 Ackley Improved


 
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 11/21/2024:
https://www.shootersreference.com/reloadingdata/280-ackley-improved/