Diamondback Firearms DB9R, Semi-automatic Rifle, 9MM, 16 Melonite Barrel, 1:10 Twist, Black Finish, Magpul MOE Stock, 15 MLOK Rail, 32 Round, 1 Magazine DB1418P001 Diamondback Firearms' DB9 rifle is made entirely in the USA. It uses high quality CNC machined components. The DB9 Rifle features a black nitride barrel, forged 7075 T6 aluminum lower and upper receiver, and no sights.