Mil-Spec 6 Position Receiver Extension / Buffer Tube

Mil-Spec 6 Position Receiver Extension / Buffer TubeThe Mil-Spec Buffer Tube is a quality Receiver Extension (AKA Buffer Tube) machined from high-strength American 7075-T6 Aluminum. This is a 6-position design and is finished with Type 3 class 2 Hard Anodizing. It features incredibly smooth interior machining for quiet operation and less "sprioing" sound.Specifications Material: American-made 7075-T6 Aluminum Platform: AR-15 Positions: 6 Weight: 3.68 Oz