The TacFire MAR046-308 AR10 Buffer Tube Spring is a USA-made, high-performance rifle recoil component designed to dampen and smooth the cycling of AR-platform chambers. Crafted from the same material used in piano wire, this buffer spring delivers consistent tension and durability, helping to minimize the perceptible twang that can accompany each shot. Engineered to withstand the rigors of repeated firing, the MAR046308 spring works with .308/AR-10 configurations to contribute to steadier chambering, enhanced reliability, and improved overall feel during rapid or precision shooting alike. This spring integrates seamlessly into standard buffer tube systems, providing an efficient upgrade for shooters seeking a cleaner, more controlled recoil impulse without intrusive modification. Whether youre upgrading a duty rifle, a hunting AR, or a competition build, the TacFire spring supports smoother cycling, reduced shock to the upper receiver, and a more predictable follow-up shot sequence. Trust TacFire to deliver quality recoil parts that keep your AR running confidently and consistently in demanding field or range environments.