Diamondback DB15 Features The Diamondback DB15 5.56 NATO rifle is engineered for consistent performance featuring a 4150 chrome moly vanadium barrel with a black nitride finish for enhanced durability and corrosion resistance. Its 1:8 twist rate provides stability across a wide range of bullet weights. This AR-15 rifle also utilizes a mid-length direct impingement system for smoother cycling and reduced recoil. A 15 M-LOK V4 S-Rail handguard offers extensive space for accessories with integrated Picatinny sections and QD sling mounts for added versatility. The forged 7075-T6 aluminum receivers provide a strong yet lightweight foundation. Equipped with a Magpul MOE-K2 grip and CTR adjustable stock in Flat Dark Earth it delivers comfort control and adaptability for various shooting scenarios. Diamondback DB15 Specifications Manufacturer: Diamondback Firearms Model: DB15 Caliber: 5.56 NATO .223 Rem Capacity: 30+1 Action: Semi-Auto Barrel Length: 16 Barrel Material: 4150 Chrome Moly Vanadium Barrel Finish: Black Nitride Twist Rate: 1:8 Gas System: Mid-Length Direct Impingement Bolt Carrier Group: Mil-Spec 8620 Carrier Shot-Peened MPI Upper Receiver: Forged 7075-T6 Aluminum Brown Cerakote A3 Flattop Lower Receiver: Forged 7075-T6 Aluminum Brown Cerakote Enhanced Trigger Guard Handguard: 15 M-LOK V4 S-Rail Picatinny QD Mounts Grip: Magpul MOE-K2 Flat Dark Earth Stock: Magpul CTR Adjustable Flat Dark Earth