• Aluminum Alloy receiver “Matte Black” • Free floating metal 15” keymod rail • HDP (High Density Polymer) 6 position crane stock • HDP (High Density Polymer) ip up dual profile rear sight • HDP (High Density Polymer) ip up dual profile front sight • 14” metal outer barrel 14mm CCW “left hand” thread • Metal Mil-Spec buffer tube • Metal rear sling mount • Heatsink vented motor plate ull aluminum upper and lower