JavaScript seems to be disabled in your browser. You must have JavaScript enabled in your browser to utilize the functionality of this website.
Up To $600 Off Top Brands With Classic Rebates - Shop Now!!!
Shop Popular AR-15 RiflesSHOP NOW
Shop Popular HandgunsSHOP NOW
Shop AllIn Stock AmmoSHOP NOW
Exclusive Classic Firearms 30 Round AR MagazineGET YOURS
Add a Limited Lifetime Warranty.
(Quantity based on total count of this item in cart)
Warranty successfully added to your cart!
In Stock
This Diamondback 300P16H50B8R DB Barrel is a 16-inch AR-15 barrel chambered in .300 AAC Blackout and built for reliable performance. Made from 4150 chrome moly vanadium steel with a black nitride finish, it features a heavy profile, 1:8 twist rate, and pistol-length gas system. The barrel is button-rifled with a 5-groove bore and includes M4 feed ramps and an 11° target crown for consistent function and accuracy.
This Diamondback barrel is a durable, precision upgrade for AR-15 rifles chambered in .300 AAC Blackout, offering lasting reliability and improved shot consistency.