The Luth-Ar LLC AR-15 Rifle Buffer Spring BS-10B is engineered for precision and reliability ensuring optimal performance for your AR-15 rifle. Crafted with high-quality materials this buffer spring is designed to provide consistent pressure and smooth cycling enhancing the overall functionality and longevity of your firearm. Whether you're a seasoned shooter or a firearms enthusiast the Luth-Ar buffer spring is an essential component for maintaining the efficiency and reliability of your AR-15 setup.