<p>Diamondback Firearms DB15FDEMPS DB-15 A3 Flat Top Semi-Automatic 223 Remington/5 The model DB-15 is a 223 Remington/5.56 Nato. Barrel is 16 4140 Chrome-Moly, M4 Contour. Barrel rate is 1 in 9 twist. Lower receiver is made of forged 7075 T6 Aluminum. Upper receiver is a A3 flattop forged 7075 T6 aluminum. Stock is M4 commercial tube.Comes with no sights.</p>
