Lbe Ar Milspec Buffer Tube Kit

The LBE AR Milspec Buffer Tube Kit is a complete mil-spec assembly designed for AR-15 rifles requiring factory-standard recoil management and reliability. This kit includes the buffer tube, recoil spring, castle nut, receiver end plate, and recoil buffer—everything needed for a mil-spec buffer tube installation. It is ideal for operators, competitive shooters, and AR-15 builders who prioritize compatibility and performance consistency.

This buffer tube kit adheres to military specification standards, ensuring dimensional consistency with upper and lower receivers across the AR-15 platform. The included recoil spring and buffer work together to manage bolt carrier group energy, controlling recoil impulse and cycling reliability across standard 5.56mm NATO and .223 Remington loads. The castle nut secures the buffer tube assembly to the receiver, while the end plate captures the recoil spring assembly.

Whether assembling a patrol rifle, conducting range training, or maintaining a rifle through component refresh, this mil-spec buffer tube kit provides predictable behavior and straightforward installation. It is suitable for various applications, ensuring reliable performance in diverse shooting scenarios. With its focus on compatibility and reliability, this kit is a valuable addition to any AR-15 enthusiast's toolkit.