Load Data for .280 Ackley Improved


 
Bullet: 150 gr TSX BT  (Barnes)
Diameter: 0.284"
 
Powder: IMR 7977 (Improved Military Rifle)
Starting Powder: 59.6 gr
Max Powder: 63.5 gr
 
Primer: WIN WLR
 
Case: NOS
Trim Length: 2.530"
 
Cartridge Overall Length: 3.230"
 
Starting Velocity: 2,734
Starting Pressure: 51,200
Max Velocity: 2,928
Max Pressure: 60,300
 
Compressed
Barrel: 24" with 1:9" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 11/21/2024:
https://www.shootersreference.com/reloadingdata/280-ackley-improved/