Advanced Armament Arament Blackout 300 AAC 9" 4150 Steel Threaded Brl Finish 100884

Advanced Arament 100884 Blackout 300 AAC 9" 4150 Steel Threaded Black Brl Finish

This barrel assembly is all you need to convert your 5.56mm AR to 300 AAC BLACKOUT (7.62x35mm).The 4150 steel barrel features a black nitride finish (including

Enter your ZIP code for an exact shipping cost on this item. Hazardous-materials fees, where they apply, are included in the total shown.

Read our full shipping policy

Firearms must ship to a licensed dealer (FFL), who completes the transfer and the required background check when you collect the item.

How FFL transfers work · Terms of sale · Product and legal restrictions