What's in the Box Diamondback DB15 5.56 NATO Semi-Auto Rifle (1) 30-Round Magazine Cable Lock Owner's Manual The Diamondback DB15 is designed for shooters who know what they want. Designed for enhanced shooting performance and distinct design elements, each rifle embodies the premium craftsmanship and rugged reliability for which the DB15 platform is known. Whether you re looking for a bold aesthetic, improved ergonomics, or mission-ready versatility, Diamondback offers a model to match your shooting needs. Built in the USA and backed by Diamondback s reputation for quality, the DB15 is your go-to when standard just won t cut it. Firearm Specifications Finish Tiger Stripe Camo Cerakote Caliber 5.56 NATO Barrel 16 in, 1:8 RH, Medium, 4150 CrMov, Black Nitride Gas System Mid-Length BCG Shot-Peened, Magnetic Particle Inspected Mil-Spec 8620 Carrier Upper A3 Flattop Forged 7075 T-6 Aluminum Lower Forged 7075 T-6 Aluminum [DB15 Carbon Lower] Handguard 15 in M-LOK (AV-Rail) w/ Anti-Slip Texture Pads Grip Magpul MOE Grip Stock | Brace Mapul MOE-PR Stock Magazine Magpul Gen M2 PMAG, 30 Round Sights None Muzzle Device A2 Flash Hider (1/2 x 28) Trigger Standard Mil-Spec Weight 6.7 lbs Length (Collapsed / Extended) 32.75 In.