The Tiger Rock Inc. ST007P(T-K01)-NO-T-OS 223/5.56 Rifle Buffer Tube Kit transforms your rifle build with its robust design and extensive features. Constructed from high-grade 6061 T6 aluminum, this lightweight and weather-resistant kit includes all essential components, ensuring seamless assembly for optimized performance. Complete assembly: buffer tube, spring, carbine buffer, end plate, and castle nut. Durable type III hard anodized coating compliant with military specifications. Precision-machined dimples for enhanced grip and functionality. Lightweight design minimizes overall rifle weight. Enhance your shooting precision with this essential buffer tube kit, perfect for both field and range applications.