Load Data for .220 Swift


 
Bullet: 70 gr SP  (Speer)
Diameter: 0.224"
 
Powder: IMR 4166 (Improved Military Rifle)
Starting Powder: 32.7 gr
Max Powder: 34.8 gr
 
Primer: WIN WLR
 
Case: WIN
Trim Length: 2.195"
 
Cartridge Overall Length: 2.680"
 
Starting Velocity: 3,140
Starting Pressure: 46,200
Max Velocity: 3,347
Max Pressure: 53,600 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/