The Diamondback Firearms DB15 rifle series delivers American-made quality, precision and reliability at an exceptional value. Built around the battle-proven gas-impingement system, each DB15 is crafted using high-quality components machined in Diamondback's state-of-the-art CNC facility. Designed for durability and performance, this rifle stands out with its attention to detail and commitment to excellence. Whether for sport, duty or defense, the DB15 offers a perfect balance of versatility and affordability without compromising on features. With rugged construction and precision engineering, this rifle raises the bar for performance in its class. The 18 Inches Diamondback heavy-profile barrel offers a 1:7 twist, 4150 CrMoV construction, black nitride finish and a Brown CeraKote coating for durability and corrosion resistance Rifle-length direct impingement gas system delivers smooth operation and reduced recoil Shot-peened, magnetic particle inspected Mil-Spec 8620 carrier is built for durability and consistent performance The A3 flattop forged 7075-T6 aluminum, T-marked upper provides a solid platform for accessories and optics The forged 7075 T-6 aluminum DB15 diamond lower is precision-machined for maximum resilience and high-performance operation The 15 Inches M-LOK anti-rotation V2 S-Rail features a full Picatinny top rail, providing rock-solid accessory mounting The Magpul MOE K2 grip in FDE delivers a textured, ergonomic design with a steeper angle for precision shooting Featuring the same rugged performance, the Magpul CTR carbine stock in FDE (flat dark earth) adds a tactical aesthetic while maintaining durability Diamondback CNC 17-4 muzzle brake (1/2-28) for superior recoil reduction and muzzle control