The Tiger Rock Inc. N-ZBG 223/5.56 Rifle Buffer Castle Nut in Cerakote Zombie Green offers unmatched durability and eye-catching style. Engineered from high-strength 4140 tool steel, this castle nut fits seamlessly with both Mil-Spec and commercial buffer tubes, making it a versatile addition for any AR-15 setup. Its distinctive Zombie Green Cerakote finish not only enhances the visual appeal but also provides exceptional protection against wear and corrosion, ensuring longevity in performance. Redefine your firearm with this crucial component that melds functionality and design. 4140 Tool Steel construction Fits AR-15 platforms Unique Cerakote Zombie Green finish Transform your AR-15 today with this superior castle nut, blending reliability with standout aesthetics.