Diamondback DB15 USB Lite 5.56 NATO AR-15 Rifle – 16″ Barrel, 30rd Magazine, Black

The Diamondback DB15 USB Lite is a reliable, no-frills AR-15 platform chambered in 5.56 NATO, purpose-built for shooters who want proven mil-spec performance at a competitive price point. Featuring a 16-inch medium-profile 4150 CrMoV steel barrel with a Black Nitride finish and a 1:8 RH twist rate, this carbine delivers consistent accuracy and outstanding corrosion resistance for long-term durability. The carbine-length gas system pairs with a shot-peened, Magnetic Particle Inspected (MPI) mil-spec 8620 steel bolt carrier group for dependable cycling round after round.

Built on a forged 7075-T6 aluminum A3 flat-top upper and a Diamondback Standard forged 7075-T6 aluminum lower, the DB15 USB Lite maintains structural integrity while keeping overall weight to just 6.25 lbs. The rail-height gas block and A3 flat-top upper provide a clean optics mounting platform, giving you a versatile base ready for your preferred sighting system right out of the box — no sights are included, making customization effortless.

Additional features include a standard 2-piece black plastic handguard, an A2-style pistol grip, and a 6-position ATI mil-spec adjustable buttstock that collapses to 31-3/4 inches and extends to 35 inches for a comfortable fit across a wide range of shooters. The rifle ships with one 30-round CPD magazine and is topped with an A2 flash hider threaded 5/8×24.

Whether you’re building your first AR or adding a dependable carbine to your collection, the Diamondback DB15 USB Lite offers solid mil-spec construction and a platform ready to grow with you. Order online today at VanTon Arms and enjoy competitive pricing with fast nationwide shipping.