Diamondback DB15 10 Inch Free Float Rail .223 Remington/5.56 NATO 16 Inch Chrome-Moly M4 Contour Barrel ATI Mil-Spec Buttstock Black 30 Round

Sixteen inch 4140 chrome-moly free float barrel with M4 contour. 1:9 inch barrel twist rate. Shot-Peened, magnetic particle inspected Mil Spec 8620 carrier, melonite coated with 158 carpenter steel bolt. Forged 7075 T-6 aluminum lower receiver. A3 Flattop forged 7075 T-6 aluminum, T-marked upper receiver. Diamondback Aluminum T-marked four rail handguard. A2 style pistol grip. 6-position ATI Mil-Spec buttstock and buffer tube. Aluminum Mil Spec magazine. A2 flash hider. No sights. Overall length stock collapsed 32.5 inches, stock expanded 36.25 inches. Weight: 6.65 pounds.