LBE Unlimited ARBNT Barrel Nut Black AR-15
https://www.tandktactical.com/shop/765857617428-lbe-unlimited-arbnt-barrel-nut-black-ar-15-24519
https://www.tandktactical.com/web/image/product.template/24519/image_1920?unique=5c07628
This Standard Barrel Nut is compatible with your AR-15 and has a black finish.
