This lighter weight version of our industry-standard DDM4 offers shooters even more flexibility and control. A 12.5" RIS III rail provides easy attachment/detachment of M-LOK accessories, and a mid-length gas system provides smooth, reliable cycling while also reducing perceived recoil and wear and tear on parts. NOTE: Due to CA compliant features this rifle does NOT come with an ambidextrous lower receiver. Oal 32.25"- 35.88" Hand Ambidextrous Twist 1:7" Action semi-auto Muzzle Flash Suppressor Safety Ambidextrous Series RIII *CA Compliant Sights Picatinny Rail Weight 6.52 lbs Caliber 5.56x45mm NATO Capacity 10+1 Weight Range 6 lbs to 6.99 lbs Barrel Length 14.50" Receiver Material 7075-T6 Aluminum Stock Description 6 Position with SoftTouch Overmolding Barrel Description Chrome Moly Vanadium Stock Finish Group Black Barrel Length Range 14" to 14.99"