The Tiger Rock Inc. ST007P 223/5.56 Rifle Complete Pistol Buffer Tube Kit offers a superior solution for builders seeking quality and precision. Constructed from premium 6061 T6 aluminum, this kit ensures lightweight durability with military-grade performance. It includes all essential components for optimal functionality and easy installation. High-strength 6061 T6 aluminum construction Type III hard anodized finish Includes buffer tube foam pad, carbine buffer, end plate, castle nut, and steel spring Weather-resistant and lightweight design Compatible with 223/5.56 rifle builds for maximum versatility Elevate your firearm assembly with this complete and reliable buffer tube kit.