The TacFire MAR110 A2 Mil-Spec Buffer Tube Kit delivers a robust, aluminum buffer assembly designed for AR-15 platforms chambered in 223 Remington or 5.56x45mm NATO. Crafted in a durable black finish, this Mil-Spec buffer tube kit pairs with standard AR-15 receivers to enhance reliability and smooth recoil management, making it an ideal upgrade for rifle parts and recoil components. Built to exacting mil-spec tolerances, the aluminum construction balances lightweight performance with lasting strength, providing a stable interface and consistent cycling across a variety of ammunition and shooting conditions. The kit integrates seamlessly into AR-15 builds that require an A2-style buffer tube configuration, delivering dependable function for range days, tactical training, or sport shooting. Whether youre refurbishing a used platform or assembling a fresh build, the MAR110 helps ensure proper buffer timing, reducing felt recoil while maintaining accurate follow-up shots. With TacFires reputation for quality rifle parts, this buffer tube kit is a practical, high-value choice for enthusiasts seeking reliable recoil management and enduring performance in a black aluminum package.