Load Data for .300 AAC Blackout


 
Bullet: 140 gr HPBT  (NOS)
Diameter: 0.308"
 
Powder: IMR 4227 (Improved Military Rifle)
Starting Powder: 15.5 gr
Max Powder: 18.3 gr
 
Primer: REM 7½
 
Case: HDY
Trim Length: 1.363"
 
Cartridge Overall Length: 2.055"
 
Starting Velocity: 1,689
Starting Pressure: 30,200
Max Velocity: 2,018
Max Pressure: 52,500
 
Compressed
Barrel: 16" with 1:8" twist.
 
Source: https://www.hodgdonreloading.com/
 

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