The buffer kit is a complete mil-spec buffer assembly designed for AR15 platforms. This kit includes a high-quality aluminum buffer tube, buffer spring, end plate, castle nut, and buffer weight. Engineered for reliable performance and durability, the buffer tube features six adjustable positions for various stock placements, allowing for customizable length of pull and enhanced shooting comfort.Key Features•Complete Buffer Assembly: Includes buffer tube, spring, end plate, castle nut, and buffer weight for straightforward installation.•Mil-Spec Compatibility: Built to mil-spec standards for AR15 platforms, ensuring a reliable fit and functionality.•High-Strength Aluminum Construction: Made from high-grade aluminum for exceptional durability, corrosion resistance, and lightweight performance.•Adjustable Buffer Tube: Features six-position slots for adjustable stock placement, providing optimal shooter ergonomics.Specifications•Available Sizes: Mil-Spec•Material: High-grade aluminum•Weight: 0.260 kg