Load Data for .243 Winchester


 
Bullet: 55 gr BT  (NOS)
Diameter: 0.243"
 
Powder: IMR 4166 (Improved Military Rifle)
Starting Powder: 41.2 gr
Max Powder: 44.8 gr
 
Primer: WIN WLR
 
Case: WIN
Trim Length: 2.035"
 
Cartridge Overall Length: 2.650"
 
Starting Velocity: 3,696
Starting Pressure: 48,600
Max Velocity: 3,950
Max Pressure: 57,700
 
Barrel: 24" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 11/21/2024:
https://www.shootersreference.com/reloadingdata/243-winchester/