Selecting a precision built barrel is a critical step to building your dream AR. That's why a New Frontier Armory Barrel should be your first choice. This is a high quality 4150 Chrome Moly steel HBAR heavy barrel designed and built right here in the USA. It features a chamber for .300 AAC Blackout and the bore has a 1:8 twist rate. This premium barrel has a M4 feed ramps, a 5/8x24 threaded muzzle and it's drilled for a pistol length gas system with a .750" diameter gas block seat. When it comes time to build your next precision AR upper make sure you have a top of the line barrel from New Frontier Armory.

Specifications and Features:
New Frontier Armory AR-15 Barrel BBL-300-16
Chambered .300 AAC Blackout
16" HBAR Barrel Heavy Profile with a 1:8 Twist Rate
High Quality 4150 Chrome Moly Steel
M4 Feed Ramps
Threaded Muzzle 5/8x24 TPI
.750" Diameter Gas Block Seat
Pistol Length Gas System
Matte Black Finish
Made in the USA