The Tiger Rock Inc. DBN 223/5.56 Rifle Delta Ring Kit is designed for seamless installation of barrels on AR-15 upper receivers while ensuring robust retention of drop-in style handguards. This comprehensive kit includes a heat-treated steel Barrel Nut and durable aluminum components, all secured with finishes that enhance longevity and performance. Ideal for firearm enthusiasts, it simplifies upgrades and enhances reliability. Heat-treated Steel construction Barrel Nut with phosphate finish 6061 Aluminum Snap Ring featuring phosphate finish 6061 Aluminum Weld Spring with phosphate finish 6061 Aluminum Delta Ring boasting a black anodized finish Elevate your rifle's performance with the Tiger Rock Inc. Delta Ring Kit.