Load Data for .280 Ackley Improved


 
Bullet: 140 gr BT  (NOS)
Diameter: 0.284"
 
Powder: StaBALL 6.5 (Winchester)
Starting Powder: 52.9 gr
Max Powder: 58.1 gr
 
Primer: WIN WLR
 
Case: NOS
Trim Length: 2.530"
 
Cartridge Overall Length: 3.330"
 
Starting Velocity: 2,825
Starting Pressure: 46,700
Max Velocity: 3,113
Max Pressure: 61,000
 
Barrel: 24" with 1:9" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/03/2024:
https://www.shootersreference.com/reloadingdata/280-ackley-improved/