The TacFire MAR049B Buffer Tube Kit Mil-Spec AR-15 Black Aluminum AR-Pistol Platform provides a complete, reliable solution for upgrading or assembling a pistol-length buffer system, delivering compatibility, durability, and performance in a compact package. This kit includes a Mil-Spec pistol buffer tube with a foam insert for secure, vibration-dampened operation, a 3 oz buffer to help control felt recoil, and a carbine-length buffer spring designed to work with AR-15 pistols for smooth cycling and consistent lockup. Completing the setup is a dual loop sling adapter end plate and a sturdy castle nut, offering practical mounting options and a secure, professional finish to your build. Crafted from high-strength aluminum and finished in a robust black, the MAR049B ensures a light yet rugged platform suitable for range days, hunting trips, and tactical training. By integrating these components, you gain reliable recoil management, improved balance, and enhanced handling characteristics for AR-15 pistols, enabling you to shoot more comfortably and accurately. TacFires engineering focuses on compatibility with Mil-Spec standards while delivering straightforward installation and long-term durability for shooters who demand dependable performance in the field and at the bench.