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 Crome Moly Steel SOCOM profile barrel designed and built right here in the USA. It features a chamber for 6.5mm Grendel and the bore has a 1:8 twist rate. This premium barrel has M4 feed ramps, a 5/8x24 threaded muzzle and it's drilled for a mid-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-65-18
Chambered 6.5mm Grendel
18" SOCOM Barrel Profile with a 1:8 Twist Rate
High Quality 4150 Crome Moly Steel
Stress Relived Barrel and Extension
M4 Extension Feed Ramps
Threaded Muzzle 5/8x24 TPI
Type 1 Bolt Face
.750" Diameter Gas Block Seat
Mid-Length Gas System
Matte Black Finish
Weight 3.46 lbs
Made in the USA