Description PRE ORDER • Aluminum Alloy receiver “Matte Black”• Free oating metal 7” mil slot rail• HDP (High Density Polymer) 6 position crane stock• HDP (High Density Polymer) ip up dual pro le rear sight • HDP (High Density Polymer) ip up dual pro le front sight • 6.5” metal outer barrel 14mm CCW “left hand” thread• Metal Mil-Spec buffer tube• Metal rear sling mount• Heatsink vented motor plate