Strike Industries AR Pistol Extended Buffer Tube - Black - The Strike Industries Pistol Buffer Tube is designed to provide enhanced functionality in a compact AR pistol or PDW platform. Measuring just over 5 inches in overall length, it helps minimize the firearm's overall profile while maintaining reliable performance. Constructed from durable 7075-T6 aluminum for increased strength over standard 6061 aluminum tubes, it includes a tungsten-filled buffer and flat-wire buffer spring to support consistent cycling and long-term reliability. An integrated anti-rotation tab secures the receiver extension in place over the buffer retaining plunger, while the rear-mounted QD sling socket allows for push-pull sling operation. Features: Compact 5-inch Pistol Buffer Tube Fits onto any standard mil-spec AR15 receiver.; Supported buffer retainer; Compatible with Strike Industries AR Pistol Stabilizer Package Contents: x1 Pistol Buffer Tube; x1 PDW buffer weight x1 Flat wire buffer spring;