HomeGun PartsAR15 PartsAR15 UppersHECKLER AND KOCH (HK USA) MR556A4 UPPER KIT 5.56MM 11″HECKLER AND KOCH (HK USA) MR556A4 UPPER KIT 5.56MM 11″$2,179.00 HECKLER AND KOCH (HK USA) MR556A4 UPPER KIT 5.56MM 11″ Out of stock SKU: LIP|HK51000385 Category: AR15 Uppers Product ID: 101427 Related products Add to WishlistRemove from Wishlist Add to Wishlist BAD XIPHOS 9MM STPD UPPER RECEIVER $239.00 Buy now Add to WishlistRemove from Wishlist Add to Wishlist SPIKE’S BILLET UPPER GEN2 MILSPEC $237.33 Buy now Out of stock Add to WishlistRemove from Wishlist Add to Wishlist SPIKE’S M4 UPPER FORGED FT MULTICAL $103.50 Read more
