The Diamondback DB15 is a tried-and-true, proven line of rifles. This rifle is no exception. Featuring a 12-inch M-Lok rail, Magpul grip, 6-position adjustable stock, and a durable 7075 T6 Aluminum construction. This model is a Sports South Exclusive. Oal 32.75"- 35.50" Hand Right Hand Twist 1:8" Action semi-auto Muzzle A2 Flash Hider Safety Safety Selector Switch Sights Optic Ready Weight 6.30 lbs Caliber 5.56x45mm Capacity 30+1 Weight Range 6 lbs to 6.99 lbs Barrel Length 16" Receiver Material 7075-T6 Aluminum Stock Description 6 Position Barrel Description Chromoly Steel Metal Finish Group Brown/Tan Stock Finish Group Black Barrel Length Range 16" to 16.99"