Sports South Exclusive. The Diamondback DB15 rifle is made entirely in the USA. The DB15 features a carbine length gas system; 16" 4150 CrMov barrel; shot-peened, Magnetic Particle Inspected Mil Spec 8620 Carrier BCG; A3 flattop forged 7075 T-6 aluminum T-Marked upper receiver, DB-15 Carbon Fiber lower receiver; Magpul MOE 15" M-Lok AV rail w/texture pads; full Picatinny rail; front & rear QD; hand stop; Magpul MOE grip; Magpul MOE carbine stock; standard Mil-Spec trigger and an A2 flash hider. Includes Magpul Gen M2 PMAG 30rd magazine. Oal 32.50"- 35.75" Twist 1:8" RH Action semi-auto Muzzle A2 Flash Hider Safety Safety Selector Switch Series Carbon Series Sights None Weight 6.80 lbs Caliber 223 Rem/5.56 NATO Trigger Mil-Spec Capacity 30+1 Weight Range 6 lbs to 6.99 lbs Barrel Length 16" Receiver Material Aluminum Stock Description Magpul Carbine Barrel Description Medium Taper Threaded Metal Finish Group Blued/Black Stock Finish Group Black Barrel Length Range 16" to 16.99"