Load Data for .450 Bushmaster

 
Bullet: 250 gr Tipped TSX  (Barnes)
Diameter: 0.451"
 
Powder: IMR 4227 (Improved Military Rifle)
Starting Powder: 30.9 gr
Max Powder: 34.3 gr
 
Primer: REM 7½
 
Case: REM
Trim Length: 1.690"
 
Cartridge Overall Length: 2.245"
 
Starting Velocity: 1,713
Starting Pressure:  
Max Velocity: 1,943
Max Pressure:  
 
Compressed
Barrel: 24" with 1:24" twist.
 
Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/450-Bushmaster.pdf
 
Printed from Shooter's Reference on 11/21/2024:
https://www.shootersreference.com/reloadingdata/450-bushmaster/