Load Data for .280 Ackley Improved


 
Bullet: 140 gr BT  (NOS)
Diameter: 0.284"
 
Powder: 4350 (Accurate)
Starting Powder: 59.0 gr
Max Powder: 62.7 gr
 
Primer: WIN WLR
 
Case: NOS
Trim Length: 2.530"
 
Cartridge Overall Length: 3.330"
 
Starting Velocity: 2,928
Starting Pressure: 48,000
Max Velocity: 3,184
Max Pressure: 61,900
 
Compressed
Barrel: 24" with 1:9" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/21/2024:
https://www.shootersreference.com/reloadingdata/280-ackley-improved/