Load Data for .243 Winchester


 
Bullet: 105 gr A-MAX  (HDY)
Diameter: 0.243"
 
Powder: IMR 4451 (Improved Military Rifle)
Starting Powder: 37.5 gr
Max Powder: 40.4 gr
 
Primer: WIN WLR
 
Case: WIN
Trim Length: 2.035"
 
Cartridge Overall Length: 2.760"
 
Starting Velocity: 2,809
Starting Pressure: 51,500
Max Velocity: 2,980
Max Pressure: 58,800
 
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/