You cannot add "SPIKE'S FLAT TOP UPPER 9MM BLK" to the cart because the product is out of stock. HomeGun PartsAR15 PartsAR15 UppersDANIEL DEFENSE DD4 RIII URG 5.56MM 16″ FDEDANIEL DEFENSE DD4 RIII URG 5.56MM 16″ FDE$1,499.00 DANIEL DEFENSE DD4 RIII URG 5.56MM 16″ FDE Out of stock SKU: LIP|DD2319120088011 Category: AR15 Uppers Tag: danieldefense Product ID: 81408 Related products Add to WishlistRemove from Wishlist Add to Wishlist AERO M5 AR10 ASSEMBLED UPPER ODG $154.99 Buy now Add to WishlistRemove from Wishlist Add to Wishlist BCM UPPER REC ASSEMBLY FT M4 $129.00 Buy now Out of stock Add to WishlistRemove from Wishlist Add to Wishlist AERO AR15 STRIPPED UPPER FDE $119.99 Read more