Out of stock
SKU: BBL30016
MPN: BBL-300-16
The New Frontier AR15 Barrel - 16" 1:8 .300 AAC Blackout is purpose-built for operators and riflers who demand subsonic ballistic efficiency without sacrificing modularity. This 16-inch barrel delivers the performance envelope that makes .300 Blackout (.300 BLK) the go-to intermediate cartridge for close-quarters, suppressed duty work across law enforcement and military platforms. New Frontier Armory's reputation for precision manufacturing ensures this barrel integrates seamlessly into existing AR-15 ecosystems, whether you're running a precision bolt-gun setup or a semi-auto patrol rifle.
The 1:8 twist rate is optimized for .300 BLK's broader projectile weight range—from 110-grain frangible rounds through 220-grain subsonic loads—ensuring consistent, stable flight across field conditions. At 16 inches, this barrel length preserves the velocity margin necessary for reliable cycling and terminal performance in subsonic ammunition while maintaining the compact profile essential for entry teams, vehicle operations, and CQB environments. The precision chamber and bore are manufactured to tight tolerances, supporting sub-MOA accuracy potential when paired with quality optics and ammunition. One-pound weight keeps the system balanced and reduces shooter fatigue during extended operations.
This barrel is ideal for Law Enforcement Tactical Units (SWAT/SRT), military designated marksmen, and civilian precision shooters building suppressed AR-15s for training and duty. Installation requires standard AR-15 armorer-level knowledge: remove the delta ring, install the barrel extension into the upper receiver using a barrel wrench, and torque the extension to specification. The .300 Blackout chambering pairs exceptionally well with quality suppressors—the subsonic loads used in most tactical applications remain supersonic until well downrange, maximizing hearing protection. Ensure your upper receiver is rated for .300 BLK, and verify magazine compatibility with your ammunition selection.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.