Load Data for .300 Winchester Magnum


 
Bullet: 100 gr Plinker SPRN  (Speer)
Diameter: 0.308"
 
Powder: IMR 4064 (Improved Military Rifle)
Starting Powder: 65.0 gr
Max Powder: 69.0 gr
 
Primer: CCI 250 Mag
 
Case: WIN
Trim Length:  
 
Cartridge Overall Length: 2.960"
 
Starting Velocity: 3,233
Starting Pressure:  
Max Velocity: 3,421
Max Pressure:  
 
 
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/300_Winchester_Magnum_100.pdf
 

Printed from Shooter's Reference on 12/21/2024:
https://www.shootersreference.com/reloadingdata/300-winchester-magnum/