The Spike's Tactical Rifle Buffer Tube Assembly from Spikes Tactical delivers a complete, ready-to-install buffer system designed for AR-15 rifles in a robust black finish, offering a reliable combination of buffer, buffer tube, buffer spring, castle nut, and end plate to streamline field upgrades or builds. Engineered for durable performance, this rifle parts package provides a stable foundation for recoil absorption and bolt cycling, helping maintain smooth operation across a variety of rifle configurations. The SLA500R-K assembly integrates seamlessly with standard AR-15 receivers, delivering a secure fit and straightforward compatibility that supports dependable cycling and timed recoil impulse. Ideal for rifles used in precision shooting, tactical training, or hunting applications, the component set is built to withstand the rigors of regular use while preserving alignment and fit within the rifles stock and buffer system. By choosing this complete buffer tube solution, shooters can simplify installation, reduce downtime, and ensure consistent recoil management, enabling accurate follow-up shots and reliable performance during critical moments.