Load Data for .220 Swift


 
Bullet: 70 gr SP  (Speer)
Diameter: 0.224"
 
Powder: IMR 4451 (Improved Military Rifle)
Starting Powder: 35.3 gr
Max Powder: 38.6 gr
 
Primer: WIN WLR
 
Case: WIN
Trim Length: 2.195"
 
Cartridge Overall Length: 2.680"
 
Starting Velocity: 3,105
Starting Pressure: 45,400
Max Velocity: 3,373
Max Pressure: 53,800 CUP
 
Barrel: 24" with 1:14" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 05/04/2024:
https://www.shootersreference.com/reloadingdata/220-swift/