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 Out of stock Add to WishlistRemove from Wishlist Add to Wishlist AERO CMPLT UPPER 5.56 16″ MOE BLK $414.99 Read more Out of stock Add to WishlistRemove from Wishlist Add to Wishlist AERO EPC-9 ASSEMBLED UPPER FDE $184.99 Read more Out of stock Add to WishlistRemove from Wishlist Add to Wishlist WILSON AR-15 FORGED UPPER $87.95 Read more
