Load Data for .300 Winchester Magnum


 
Bullet: 190 gr BTSP  (HDY)
Diameter: 0.308"
 
Powder: IMR 4350 (Improved Military Rifle)
Starting Powder: 65.0 gr
Max Powder: 69.7 gr
 
Primer: WIN WLRM
 
Case: WIN
Trim Length: 2.610"
 
Cartridge Overall Length: 3.340"
 
Starting Velocity: 2,739
Starting Pressure: 49,900
Max Velocity: 2,959
Max Pressure: 61,500
 
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/300-winchester-magnum/