Load Data for .280 Ackley Improved


 
Bullet: 140 gr BT  (NOS)
Diameter: 0.284"
 
Powder: H4831 (Hodgdon)
Starting Powder: 58.3 gr
Max Powder: 62.0 gr
 
Primer: WIN WLR
 
Case: NOS
Trim Length: 2.530"
 
Cartridge Overall Length: 3.330"
 
Starting Velocity: 2,841
Starting Pressure: 53,600
Max Velocity: 3,012
Max Pressure: 61,100
 
Compressed
Barrel: 24" with 1:9" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/30/2024:
https://www.shootersreference.com/reloadingdata/280-ackley-improved/