LBE Unlimited ARLPLT Receiver End Plate Steel Black Phosphate Mag Phosphate AR-15
https://www.tandktactical.com/shop/765857617336-lbe-unlimited-arlplt-receiver-end-plate-steel-black-phosphate-mag-phosphate-ar-15-24515
https://www.tandktactical.com/web/image/product.template/24515/image_1920?unique=5312f1e
The LBE Receiver End Plate is constructed of steel with a phosphate finish. It is compatible with your AR-15.
