TacFire AR-15 Pistol Buffer Tube Kit with Standard End Plate

The TacFire AR-15 Pistol Buffer Tube Kit with Standard End Plate is a mil-spec compliant assembly designed to complete AR-15 pistol builds or refresh worn buffer systems. This kit pairs a mil-spec pistol buffer tube with a carbine-length buffer spring and 3-ounce buffer, delivering the recoil impulse management necessary for reliable function in short-stroke pistol configurations. The included standard end plate and castle nut ensure secure attachment to the receiver extension, while the foam insert provides damping and stabilization during firing cycles.

Each component meets mil-spec dimensions and tolerances, critical for AR platform compatibility and function. The 3-ounce buffer weight is standard for pistol-length systems, balancing bolt carrier group acceleration with reliability across common pistol cartridges. The carbine-length spring works in conjunction with the lighter buffer to manage cycling speed and reduce wear on internal components. The foam insert adds vibration reduction and helps minimize rattle during storage and transport. Quality mil-spec assembly means drop-in compatibility with standard AR-15 lower receivers without fitting or modification.

This kit serves operators, builders, and armorers maintaining or assembling AR-15 pistol platforms. Whether replacing a damaged buffer tube on a duty or training gun, completing a new build, or stocking spare recoil systems, this TacFire assembly provides verified mil-spec performance at practical pricing. The complete kit eliminates the need to source individual components separately, simplifying the build process and ensuring component compatibility from the factory.

AR-15 pistol buffer systems are foundational to reliable function and ergonomic performance. Mil-spec buffer tubes, springs, and buffers are engineered to tight tolerances and tested for consistency across manufacturers. This TacFire kit represents a direct, no-compromise alternative to OEM components, suitable for duty builds, range platforms, and backup systems where proven performance and affordability converge.