PRODUCT DESCRIPTION PRODUCT SPECIFICATIONS DB-15 PIST 5.56MM FDE 7" Barrel Length: 7" Manufacturer: Diamondback Firearms Color: Buffer Tube Foam Pad/ MOE UPC: 810035754676 Rate of Twist: 1-in-8 Action: Semi-Auto Finish: FDE Cerakote Thread Pattern: 1/2x28 Capacity: 30 + 1 Model: Carbon DB15 Pistol Caliber: 223 Rem | 5.56 NATO