HomeGun PartsAR15 PartsAR15 UppersHK UPPER MR556A4 5.56 16.5″ BLKHK UPPER MR556A4 5.56 16.5″ BLK$2,179.00 HK UPPER MR556A4 5.56 16.5″ BLK 4 in stock HK UPPER MR556A4 5.56 16.5" BLK quantity Buy now Add to WishlistRemove from Wishlist Add to Wishlist SKU: LIP|HK51000384 Category: AR15 Uppers Product ID: 96202 Related products Out of stock Add to WishlistRemove from Wishlist Add to Wishlist SHARPS SBUR04 BILLET UPPER $213.75 Read more Add to WishlistRemove from Wishlist Add to Wishlist LUTH AR A1 ASSEMBLED UPPER RECEIVER $187.95 Buy now Add to WishlistRemove from Wishlist Add to Wishlist BAD XIPHOS 9MM STPD UPPER RECEIVER $239.00 Buy now
