The TacFire AR-15 Mil Spec Buffer Tube Kit delivers a reliable, drop-in upgrade for AR-15 and M4 platforms, combining a Mil-Spec 6-position stock with a comfortable butt pad and a robust 6-position buffer tube to ensure a secure, adjustable cheek weld and versatile length of pull. This kit also includes a carbine-length buffer spring, a regular end plate, a 3 oz. buffer, and a castle nut, providing all the essential components you need to complete or refresh your rifles buffer assembly with factory-grade precision. Engineered for compatibility with standard AR-15/M4 receivers, the Mil-Spec buffer tube and accessories support smooth cycling and reliable chambering across a range of conditions, making it ideal for sport shooting, training, or serious field use. Whether youre upgrading an existing build or assembling a new rifle, this TacFire kit simplifies installation while preserving the dependable performance you expect from Mil-Spec components. Invest in a cohesive, performance-driven buffer system that enhances adjustability, stability, and reliability in your AR-15 platform.