Load Data for .243 Winchester


 
Bullet: 75 gr HP  (HDY)
Diameter: 0.243"
 
Powder: IMR 4166 (Improved Military Rifle)
Starting Powder: 37.1 gr
Max Powder: 40.4 gr
 
Primer: WIN WLR
 
Case: WIN
Trim Length: 2.035"
 
Cartridge Overall Length: 2.640"
 
Starting Velocity: 3,227
Starting Pressure: 49,300
Max Velocity: 3,460
Max Pressure: 58,600
 
Barrel: 24" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 12/21/2024:
https://www.shootersreference.com/reloadingdata/243-winchester/