Type/Color: AR15 Stripped Lower Black Size/Finish: Skeletonized Material: Aluminum AR-15 Accessory: Y Other FEATURES:: Mil-Spec DIMENSIONS Skeletonized For Light Weight Caliber: Receiver Only Type Action: Semi-Automatic Rate Of Twist: Receiver Only Metal Finish: Black Stock Material: Lower Receiver Only Detachable Magazine: Y Hinged Floorplate: N Sights: N