You cannot add "SPIKE'S FLAT TOP UPPER 9MM BLK" to the cart because the product is out of stock. HomeGun PartsAR15 PartsAR15 UppersFAXON ION ULTRALT 16″ 556NATO UPPERFAXON ION ULTRALT 16″ 556NATO UPPER$1,011.08 FAXON ION ULTRALT 16″ 556NATO UPPER 3 in stock FAXON ION ULTRALT 16" 556NATO UPPER quantity Buy now Add to WishlistRemove from Wishlist Add to Wishlist SKU: RSR|FXFX5500-U Category: AR15 Uppers Product ID: 87256 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 FORTIS BILLET UPPER RECEIVER $189.95 Buy now Out of stock Add to WishlistRemove from Wishlist Add to Wishlist LUTH AR A1 ASSEMBLED UPPER RECEIVER $187.95 Read more